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Gustav L
Series 63
New York, NY
Siebert AdvisorNXT, LLC.
Gustav Langford is a financial advisor with Siebert AdvisorNXT, LLC, holding a Series 63 designation and bringing 28 years of industry experience. He previously worked at Muriel Siebert & Co., Inc. and Stockcross Financial Services, Inc. Langford is also a volunteer with the Elkins Park Firehouse. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities with investment supervisory services and managed programs. The firm uses a web-based AdvisorNXT platform combined with access to third-party and independent managers, employing Modern Portfolio Theory and various strategies within a wrap-fee structure.
Michael V
Series 63, Series 65, Series 66
Horsham, PA
Siebert AdvisorNXT, LLC.
Michael Vanni is an investment advisor with Siebert AdvisorNXT, LLC, holding Series 63, 65, and 66 credentials and bringing 31 years of industry experience. His career includes roles at Muriel Siebert & Co. LLC, Stockcross Financial Services, Inc., and Select Advisory Services, LLC. He divides his time between Siebert AdvisorNXT and Muriel Siebert & Co., both under the Siebert Financial Corporation umbrella. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities through investment supervisory services and managed programs. The firm utilizes a web-based platform incorporating Modern Portfolio Theory and risk-tolerance assessments to construct and manage ETF/ETN portfolios, offering both discretionary and non-discretionary solutions with access to third-party and independent managers.
Marvin R
Series 66
New York, NY
Siebert AdvisorNXT, LLC.
Marvin Rivas is a financial advisor with Siebert AdvisorNXT, LLC. He holds a Series 66 designation and has five years of industry experience. His prior work includes roles at Equitable Advisors, XPO Logistics, New Jersey Institute of Technology, CVS Pharmacy, and Elizabeth High School. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities by providing investment supervisory services and managed programs through a web-based platform. The firm employs Modern Portfolio Theory with ETF/ETN allocations, offers access to third-party and independent managers, and combines automated portfolio management with negotiated wrap-fee structures.
Zachary B
Series 66
New York, NY
Siebert AdvisorNXT, LLC.
Zachary Banks is a Series 66-licensed financial advisor with three years of industry experience, currently affiliated with Siebert AdvisorNXT, LLC. His prior roles include positions at Muriel Siebert & Co., LLC, LPL Financial, and Rollstone Bank and Trust. He is a dual employee of Siebert AdvisorNXT and Muriel Siebert & Co., LLC, both under the Siebert Financial Corporation umbrella. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities, offering investment supervisory services and managed programs through a web-based platform. The firm employs Modern Portfolio Theory and risk-tolerance assessments to create and rebalance ETF/ETN-based portfolios, combining automated management with access to third-party and sub-advisory solutions.
James L
Series 63, Series 65
Katy, TX
Siebert AdvisorNXT, LLC.
James Latimer Jr. is a financial advisor at Siebert AdvisorNXT, LLC, holding Series 63 and Series 65 licenses with 29 years of industry experience. His prior work includes roles at Stockcross Financial Services, Inc. and Tradestar Investments, Inc., and he has been affiliated with Fiserv Investor Services, Inc. for over two decades. Latimer splits his time evenly between Siebert AdvisorNXT and Muriel Siebert & Co., LLC, both under the Siebert Financial Corporation. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities through investment supervisory services and managed programs. The firm utilizes a web-based platform and third-party managers to offer ETF/ETN-based allocations, fundamental and technical strategies, and sub-advised solutions, operating primarily within a wrap-fee structure.
Jacqueline Y
CFP®
Beverly Hills, CA
Siebert AdvisorNXT, LLC.
Jacqueline Yapp is a CFP® professional with 13 years of experience in financial advising. She is currently with Siebert AdvisorNXT, LLC. and previously worked at WealthSource Partners, LLC and Avant Garde Advisors LLC. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities by providing investment supervisory services and managed programs through a web-based platform and access to third-party and independent managers. The firm applies Modern Portfolio Theory with risk-tolerance assessments to create ETF/ETN-based portfolios and offers both discretionary and non-discretionary management options.
Lucky R
Series 66
Beverly Hills, CA
Siebert AdvisorNXT, LLC.
Lucky Radley is a Series 66-licensed financial advisor at Siebert AdvisorNXT, LLC with nine years of industry experience. He has worked at Muriel Siebert & Co., Inc. since 2018 and spent one year with StockCross Financial Services prior to that. Radley is a dual employee of Muriel Siebert & Co., Inc. and Siebert AdvisorNXT, LLC, both under the Siebert Financial Corporation. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities with investment supervisory services and managed programs. The firm uses a web-based platform that applies Modern Portfolio Theory and risk-tolerance questionnaires to build ETF/ETN-based portfolios, and it offers both discretionary and non-discretionary management options.
Colette E
Series 63, Series 65
Beverly Hills, CA
Siebert AdvisorNXT, LLC.
Colette Erasmus is a financial advisor with Siebert AdvisorNXT, LLC, holding Series 63 and Series 65 licenses and 13 years of industry experience. She has worked at Muriel Siebert & Co., LLC since 2018 and previously spent eight years at Stockcross Financial Services. Erasmus splits her time between Siebert AdvisorNXT and Muriel Siebert & Co., both under the Siebert Financial Corporation umbrella. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities through investment supervisory services and various managed programs. The firm utilizes a web-based platform incorporating Modern Portfolio Theory with ETF/ETN allocations, offering both discretionary and non-discretionary portfolio management alongside access to third-party and independent sub-advisers.
Rodney C
Series 63, Series 65
Boca Raton, FL
Siebert AdvisorNXT, LLC.
Rodney Carrasquillo is a financial advisor with Siebert AdvisorNXT, LLC, holding Series 63 and Series 65 licenses and 26 years of industry experience. He previously worked at Stockcross Financial Services for eight years before joining Muriel Siebert & Co. in 2020. He works full time split between Muriel Siebert & Co. and Siebert AdvisorNXT as an Investment Advisor Representative. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities with investment supervisory services and managed programs. The firm utilizes a web-based platform combining Modern Portfolio Theory, third-party managers, and fundamental and technical strategies within a wrap-fee structure.
Angelo G
Series 63, Series 65
Jersey City, NJ
Siebert AdvisorNXT, LLC.
Angelo Guerriero is a financial advisor at Siebert AdvisorNXT, LLC with 43 years of industry experience. He holds Series 63 and Series 65 credentials and has been with Muriel Siebert & Co., Inc. since 1999. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities through investment supervisory services and managed programs. The firm combines a web-based portfolio management platform with access to third-party and independent managers, using a mix of Modern Portfolio Theory, fundamental and technical strategies, and sub-advised solutions.
Peter S
Series 63, Series 65
New York, NY
Siebert AdvisorNXT, LLC.
Peter Sosnowski is an investment advisor with Siebert AdvisorNXT, LLC, holding Series 63 and Series 65 licenses and bringing 40 years of industry experience. He has worked extensively with Muriel Siebert & Co., Inc. and its affiliates since 1999. Sosnowski divides his time equally between Siebert AdvisorNXT and Muriel Siebert & Co., LLC, both under the Siebert Financial Corporation umbrella. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities through investment supervisory services and managed programs. The firm employs a Modern Portfolio Theory–based platform combined with access to third-party and independent managers, offering both discretionary and non-discretionary portfolio management within a wrap-fee structure.
Antonio S
Series 63, Series 66
Miami Beach, FL
Siebert AdvisorNXT, LLC.
Antonio Speciale is a financial advisor with Siebert AdvisorNXT, LLC. He holds Series 63 and Series 66 licenses and has 12 years of industry experience. Prior to joining Siebert AdvisorNXT, he worked at Stockcross Financial Services Inc. for 13 years. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities through investment supervisory services and managed programs. The firm combines a web-based AdvisorNXT platform using Modern Portfolio Theory with access to third-party and independent managers, offering both discretionary and non-discretionary portfolio management within a wrap-fee structure.
Mark M
Series 63, Series 65
New York, NY
Siebert AdvisorNXT, LLC.
Mark Malek is an investment advisor representative with Siebert AdvisorNXT, LLC and Muriel Siebert & Co., Inc., holding Series 63 and Series 65 registrations. He has 16 years of industry experience, including roles at Muriel Siebert & Co., Siebert Investment Advisors, WealthSource Partners, Vellum Financial, Quantitative Insight Partners, and Praxis Insight Advisors. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities through investment supervisory services and managed programs, utilizing a web-based platform and third-party managers. The firm combines Modern Portfolio Theory‑based ETF/ETN allocations with fundamental and technical strategies, offering both discretionary and non-discretionary portfolio management.
Kyle G
Series 66
New York, NY
Siebert AdvisorNXT, LLC.
Kyle Gonzalez is a financial advisor with Siebert AdvisorNXT, LLC. He holds the Series 66 designation and has three years of industry experience, all with Muriel Siebert & Co. and Siebert AdvisorNXT. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities through investment supervisory services and managed programs. The firm combines a web-based AdvisorNXT platform using Modern Portfolio Theory with access to third-party and independent managers, offering both discretionary and non-discretionary portfolio management within a wrap-fee structure.
Sarah B
Series 63, Series 65
New York, NY
Siebert AdvisorNXT, LLC.
Sarah Braddock is an investment advisor with Siebert AdvisorNXT, LLC and holds Series 63 and Series 65 licenses. She has nine years of industry experience, including roles at Searchlight Investments, LLC and Searchlight Financial Advisors. She divides her time between Siebert AdvisorNXT and Muriel Siebert & Co., LLC, both under the same parent company. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities through investment supervisory services and managed programs. The firm uses a web-based platform incorporating Modern Portfolio Theory, ETF/ETN allocations, and access to third-party managers, offering discretionary and non-discretionary portfolio management within a wrap-fee structure.
Gary G
Series 66
New York, NY
Siebert AdvisorNXT, LLC.
Gary Gonzalez is a financial advisor with Siebert AdvisorNXT, LLC, holding a Series 66 designation and 25 years of industry experience. He has worked at Muriel Siebert & Co., Inc since 2018 and previously spent 12 years at Stockcross Financial Services, Inc. Gonzalez splits his time between Muriel Siebert & Co., LLC and Siebert AdvisorNXT, LLC, both under the Siebert Financial Corporation umbrella. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities through investment supervisory services and managed programs. The firm employs a web-based platform utilizing Modern Portfolio Theory and offers both discretionary and non-discretionary portfolio management with access to third-party and independent managers.
Andrew M
Series 63, Series 65
New York, NY
Siebert AdvisorNXT, LLC.
Andrew Mcdonald is an Investment Advisor Representative at Siebert AdvisorNXT, LLC with 42 years of industry experience. He has worked at Muriel Siebert & Co., Inc. since 2017 and previously spent 10 years at StockCross Financial Services. Outside of his advisory roles, he established A & C Properties LLC, a real estate business. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities through investment supervisory services and managed programs. The firm employs a web-based platform using Modern Portfolio Theory alongside access to third-party and independent managers, offering both discretionary and non-discretionary portfolio management options.
Donato C
Series 63, Series 65
New York, NY
Siebert AdvisorNXT, LLC.
Donato Cuttone Jr. is a financial advisor at Siebert AdvisorNXT, LLC with one year of industry experience. He holds Series 63 and Series 65 credentials and has previously worked at iHeart Media and served in the U.S. Army. He is also involved with Cuttone Enterprises, LLC. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities through investment supervisory services and managed programs. The firm utilizes a web-based AdvisorNXT platform that combines Modern Portfolio Theory-based ETF/ETN allocations with fundamental and technical strategies, offering both discretionary and non-discretionary portfolio management.
Brett S
Series 66
New York, NY
Siebert AdvisorNXT, LLC.
Brett Sonzogni is a financial advisor with Siebert AdvisorNXT, LLC. He holds a Series 66 credential and has eight years of industry experience. His prior roles include positions at Muriel Siebert & Co., LLC, Revere Securities LLC, Empower Private Wealth, B. Riley Wealth Advisors, and National Asset Management. Outside of finance, he is CEO of Social Sound Club LLC, a music and entertainment business focused on music production. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities through investment supervisory services and managed programs. The firm combines a web-based AdvisorNXT platform with access to third-party and independent managers to offer portfolio management and execution within a wrap-fee structure.
Albert D
Series 63, Series 66
Playa Del Rey, CA
Siebert AdvisorNXT, LLC.
Albert Dipippo is an investment advisor with Siebert AdvisorNXT, LLC and holds Series 63 and Series 66 designations. He has 42 years of industry experience and previously worked at Muriel Siebert & Co., Inc., Muriel Siebert, and Stockcross Financial Services, Inc. He divides his time equally between Muriel Siebert & Co., LLC and Siebert AdvisorNXT, LLC, both under the Siebert Financial Corporation umbrella. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities through investment supervisory services and managed programs. The firm utilizes a web-based AdvisorNXT platform leveraging Modern Portfolio Theory alongside access to third-party and independent managers, offering both discretionary and non-discretionary portfolio management within a wrap-fee structure.
John M
Series 66
New York, NY
Siebert AdvisorNXT, LLC.
John Moran is a Series 66-licensed financial advisor with three years of industry experience. He is currently with Siebert AdvisorNXT, LLC and previously worked at Millennial Advisers LLC, Allied Millennial Partners, and NYLIFE Securities LLC. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities through investment supervisory services and managed programs. The firm combines a web-based AdvisorNXT platform using Modern Portfolio Theory with access to third-party and independent managers, offering both discretionary and non-discretionary portfolio management within a wrap-fee structure.
Colin M
Series 63, Series 65
New York, NY
Siebert AdvisorNXT, LLC.
Colin Mc Donald is an investment advisor affiliated with Siebert AdvisorNXT, LLC, holding Series 63 and Series 65 credentials and having five years of industry experience. He previously worked at Muriel Siebert & Co., Inc, Cushman & Wakefield, and CBRE. Outside of his advisory role, he is a partner in a family real estate business where he manages tenant relations and rental marketing. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities through investment supervisory services and managed programs. The firm combines a web-based AdvisorNXT platform using Modern Portfolio Theory with access to third-party and independent managers, offering portfolio management and execution within a wrap-fee structure.
Peter C
Series 63
Beverly Hills, CA
Siebert AdvisorNXT, LLC.
Peter Cunningham is a financial advisor with Siebert AdvisorNXT, LLC, holding a Series 63 designation and 32 years of industry experience. He has worked at Muriel Siebert & Co., Inc. since 2017 and previously spent 18 years at Stockcross. Cunningham divides his time between Muriel Siebert & Co., Inc. and Siebert AdvisorNXT, LLC, both under the Siebert Financial Corporation umbrella. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities with investment supervisory services and managed programs. The firm utilizes a web-based platform incorporating Modern Portfolio Theory with ETF/ETN allocations, combined with access to third-party and independent managers, offering both discretionary and non-discretionary portfolio management within a wrap-fee structure.
Bradley P
Series 63, Series 65
Beverly Hills, CA
Siebert AdvisorNXT, LLC.
Bradley Poock is an investment advisor representative with Siebert AdvisorNXT, LLC, holding Series 63 and Series 65 designations and over 33 years of industry experience. He has worked at Muriel Siebert & Co., Inc. since 2018 and previously spent five years at Stockcross Financial Services. Outside of advisory work, he is involved in a beverage company, Frosty Palm, and participates as a member of the Ali-Lessens Leads Club. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities through investment supervisory services and managed programs. The firm utilizes a web-based platform that applies Modern Portfolio Theory and offers access to third-party and independent managers within a wrap-fee structure.
Kamyar K
Series 63, Series 65
Beverly Hills, CA
Siebert AdvisorNXT, LLC.
Kamyar Kashfi is an investment advisor representative at Siebert AdvisorNXT, LLC with 29 years of industry experience. He previously worked at Stockcross Financial Services, Inc. for 12 years and TD Ameritrade, Inc. for 2 years. Kashfi holds Series 63 and Series 65 licenses. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities through investment supervisory services and managed programs. The firm utilizes a web-based platform that combines Modern Portfolio Theory with access to third-party and independent managers, offering both discretionary and non-discretionary portfolio management within a wrap-fee structure.
David B
Series 63, Series 66
Beverly Hills, CA
Siebert AdvisorNXT, LLC.
David Bender is an Investment Advisor Representative at Siebert AdvisorNXT, LLC with 43 years of industry experience. He has held positions at Muriel Siebert & Co., Inc., Stockcross Financial Services, Jesup & Lamont Securities Corp, Moors & Cabot, Inc., and Prudential Equity Group, LLC. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities through investment supervisory services and managed programs. The firm utilizes a web-based platform integrating Modern Portfolio Theory, risk-tolerance questionnaires, and access to third-party and independent managers to offer portfolio management within a wrap-fee structure.
Enlai Z
Series 63, Series 66
Nashville, TN
Siebert AdvisorNXT, LLC.
Enlai Zhang is a financial advisor with Siebert AdvisorNXT, LLC, holding Series 63 and Series 66 registrations. Zhang has been with Muriel Siebert & Co., LLC since 2025 and has no prior industry experience. Before entering the financial industry, Zhang's background includes roles in education at Vanderbilt University and local schools. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities through investment supervisory services and managed programs. The firm utilizes a web-based platform incorporating Modern Portfolio Theory and offers both discretionary and non-discretionary portfolio management with access to multiple sub-advisers.
Ronald R
Series 63
New York, NY
Siebert AdvisorNXT, LLC.
Ronald Roberts is a Series 63-licensed financial advisor with 36 years of industry experience. He has worked at Muriel Siebert & Co., LLC since 2020 and previously spent 18 years at Stockcross, Inc. Roberts divides his time between Muriel Siebert & Co., LLC and Siebert AdvisorNXT, LLC, both subsidiaries of Siebert Financial Corporation. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities with investment supervisory services and managed programs. The firm uses a web-based platform leveraging Modern Portfolio Theory to build and periodically rebalance ETF/ETN-based portfolios alongside fundamental and technical strategies, offering both discretionary and non-discretionary engagement options.
Michael T
Series 63, Series 65
Dallas, TX
Siebert AdvisorNXT, LLC.
Michael Travis is an investment advisor with Siebert AdvisorNXT, LLC, holding Series 63 and Series 65 licenses and bringing 32 years of industry experience. His prior roles include positions at Stockcross Financial Services, Inc., Fiserv Investor Services, Inc., and Tradestar Investments, Inc. He divides his time between Siebert AdvisorNXT and Muriel Siebert & Co., LLC, both under the Siebert Financial Corporation umbrella. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities through investment supervisory services and managed programs. The firm uses a web-based AdvisorNXT platform incorporating Modern Portfolio Theory and offers portfolio management and execution within a wrap-fee structure, with a notable emphasis on non-discretionary arrangements and access to third-party and independent managers.
Michael C
Series 63, Series 65
Miami, FL
Siebert AdvisorNXT, LLC.
Michael Colombino is an investment advisor representative with Siebert AdvisorNXT, LLC. He holds Series 63 and Series 65 licenses and has 21 years of industry experience. His prior roles include positions at Muriel Siebert & Co., Inc., Prometheum Ember ATS Inc., and Stockcross. Outside of advisory work, he manages a part-time vacation rental in Florida. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities through an investment supervisory platform that combines Modern Portfolio Theory with access to third-party and independent managers. The firm offers both discretionary and non-discretionary portfolio management with an emphasis on an automated, ETF/ETN-based allocation approach within a wrap-fee structure.
Monte T
Series 63, Series 65
Beverly Hills, CA
Siebert AdvisorNXT, LLC.
Monte Traficante is an investment advisor representative at Siebert AdvisorNXT, LLC, with 33 years of industry experience. He has worked at Muriel Siebert & Co., LLC and Stockcross Financial Services, Inc. Prior to his current dual role split between Siebert AdvisorNXT and Muriel Siebert & Co., he spent 13 years at Stockcross Financial Services. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities through investment supervisory services and managed programs. The firm combines a web-based platform employing Modern Portfolio Theory with access to third-party and independent managers, offering both discretionary and non-discretionary portfolio management.
Natasha H
Series 63, Series 66
New York, NY
Siebert AdvisorNXT, LLC.
Natasha Howe is an investment advisor representative with Siebert AdvisorNXT, LLC, holding Series 63 and Series 66 credentials and six years of industry experience. She has worked primarily with Muriel Siebert & Co., Inc., including her current role, and has experience in various industries including personal training and nutrition. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities by providing investment supervisory services and managed programs through a web-based platform and access to third-party and independent managers. The firm employs Modern Portfolio Theory with ETF/ETN allocations, offering both discretionary and non-discretionary portfolio management within a wrap-fee structure.
Bruce G
Series 63, Series 65
Seal Beach, CA
Siebert AdvisorNXT, LLC.
Bruce Galbraith is an investment advisor representative at Siebert AdvisorNXT, LLC with 39 years of industry experience. He previously worked at Stockcross Financial Services, Inc. for 10 years and TD Ameritrade, Inc. for 3 years. Galbraith splits his time between Siebert AdvisorNXT and Muriel Siebert & Co., LLC, both under common ownership by Siebert Financial Corporation. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities through investment supervisory services and managed programs. The firm utilizes a web-based AdvisorNXT platform with Modern Portfolio Theory-based ETF/ETN allocations, access to third-party and independent managers, and offers both discretionary and non-discretionary portfolio management within a wrap-fee structure.
Alec S
Series 63, Series 65
New York, NY
Siebert AdvisorNXT, LLC.
Alec Stevenson is an investment advisor at Siebert AdvisorNXT, LLC with six years of industry experience. He holds Series 63 and Series 65 licenses and has been with Siebert AdvisorNXT and Muriel Siebert & Co., Inc. since 2020. Alec divides his time between these affiliated firms under the common ownership of Siebert Financial Corporation. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities through a web-based platform and managed programs that incorporate Modern Portfolio Theory, third-party managers, and both discretionary and non-discretionary portfolio management strategies.
Dean B
Series 63, Series 65
Jersey City, NJ
Siebert AdvisorNXT, LLC.
Dean Bantis is a financial advisor with Siebert AdvisorNXT, LLC, holding Series 63 and Series 65 credentials and 10 years of industry experience. He has worked at Spartan Capital Securities LLC since 2017 and previously at Dawson James Securities. Bantis splits his time between Siebert AdvisorNXT and Muriel Siebert & Co., LLC, both under the Siebert Financial Corporation umbrella. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities through investment supervisory services and managed programs. The firm combines a web-based AdvisorNXT platform using Modern Portfolio Theory with access to third-party and independent managers, offering both discretionary and non-discretionary portfolio management within a wrap-fee structure.
Mario D
Series 63, Series 66
New York, NY
Siebert AdvisorNXT, LLC.
Mario Didomenico is a financial advisor with Siebert AdvisorNXT, LLC., holding Series 63 and Series 66 credentials and bringing 32 years of industry experience. He has worked at Muriel Siebert & Co., Inc. since 2018 and previously held roles at StockCross Financial Services and Summit Brokerage Services Inc. Since June 2024, he has also engaged in non-investment-related consulting through DiDomenico Associates, LLC. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities with investment supervisory services and managed programs. The firm utilizes a web-based AdvisorNXT platform alongside third-party and independent managers, employing Modern Portfolio Theory within a wrap-fee structure and offering both discretionary and non-discretionary portfolio management.
Barbara V
Series 63, Series 66
New York, NY
Siebert AdvisorNXT, LLC.
Barbara Villella is a financial advisor with Siebert AdvisorNXT, LLC, holding Series 63 and Series 66 licenses and bringing 25 years of industry experience. She has worked at firms including Muriel Siebert & Co., Inc., LV Capital Partners, and Peterson Investments. Outside of her advisory roles, she is a franchise owner of Dream Vacations and operates a cruise business through an LLC. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities by providing investment supervisory services and managed programs through a web-based platform. The firm employs a range of strategies including Modern Portfolio Theory, sub-advisory solutions, and a mix of discretionary and non-discretionary portfolio management.
Rita S
Series 63
Calabase, CA
Siebert AdvisorNXT, LLC.
Rita Schwartz is a financial advisor with Siebert AdvisorNXT, LLC, holding a Series 63 designation and 45 years of industry experience. She has worked at Muriel Siebert & Co., LLC since 2019 and previously spent 11 years at Stockcross Financial Services, Inc. She works full time split between Muriel Siebert & Co., LLC and Siebert AdvisorNXT, LLC, both under common ownership. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities through investment supervisory services and managed programs. The firm operates a web-based AdvisorNXT platform that uses Modern Portfolio Theory and a risk-tolerance questionnaire to build and rebalance ETF/ETN-based portfolios, combining automated MPT strategies with access to sub-advisers and specialized transition strategies.
Bo C
Series 66
Beverly Hills, CA
Siebert AdvisorNXT, LLC.
Bo Calvert is an investment advisor representative with Siebert AdvisorNXT, LLC, holding a Series 66 designation and one year of industry experience. Prior to joining Siebert, he worked at PowerUp Sports in sports management and client relations. Outside of financial advising, he has been involved in sports management and marketing as a sports agent. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities through investment supervisory services and managed programs. The firm employs a web-based platform utilizing Modern Portfolio Theory and offers access to third-party and independent managers within a wrap-fee structure.
Kevin O
Series 63, Series 66
New York, NY
Siebert AdvisorNXT, LLC.
Kevin Ocana is an investment advisor representative at Siebert AdvisorNXT, LLC with 10 years of industry experience. He has worked previously at Merrill, Morgan Stanley, UBS Financial Services, and Muriel Siebert & Co., LLC. He holds Series 63 and Series 66 designations. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities through investment supervisory services and managed programs. The firm combines a web-based platform using Modern Portfolio Theory with access to third-party and independent managers, offering both discretionary and non-discretionary portfolio management within a wrap-fee structure.
Bruce G
Series 66
Seal Beach, CA
Siebert AdvisorNXT, LLC.
Bruce Galbraith is a financial advisor at Siebert AdvisorNXT, LLC with six years of industry experience. He holds a Series 66 designation and has worked with firms including Muriel Siebert & Co., Wells Fargo Clearing, JPMorgan Chase Bank, and J.P. Morgan Securities. Siebert AdvisorNXT serves individuals, high-net-worth clients, families, trusts, and business entities, offering investment supervisory services and managed programs through a web-based platform. The firm employs Modern Portfolio Theory and risk-tolerance questionnaires to create ETF/ETN-based portfolios, incorporating fundamental and technical strategies with options for discretionary or non-discretionary engagement.
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