Seasoned, private / alternative investments financial advisors in Sioux Falls, SD

Karen Winblade is a financial advisor with LPL Enterprise and holds Series 63 and Series 65 registrations. She has 20 years of industry experience, including prior roles at Prudential Insurance Company of America, Pruco Securities, Princor Financial Services Corporation, and Principal Life Insurance Company. She is also associated with Farm Legacy Group, where she has worked since 2015. LPL Enterprise provides investment advisory and brokerage services to a diverse client base, including individual and high-net-worth investors, retirement plans, banks, and charitable organizations. The firm uses model-driven investment implementation and offers access to third-party asset managers, financial planning, and insurance products through its affiliated entities.

Randal Osterloo is a financial advisor with Cetera, holding Series 63 and Series 65 credentials and 30 years of industry experience. He has been with Cetera since 2015 and has worked in related roles since 1994, including at First Premier Bank. Outside of his advisory work, he serves on the Sioux Falls Housing & Redevelopment Committee and is a finance committee member for the Sioux Falls Area Humane Society. Cetera Investment Advisers LLC is an SEC-registered firm that supports a large network of independent advisors serving individuals, retirement plans, corporate, charitable, and institutional clients. The firm offers a range of portfolio management, financial planning, and consulting services with multiple program structures and manager options.

Zachariah Thies is a CFP® and PFS™ with nine years of industry experience, currently serving at Creative Planning since 2016. He is based in Sioux Falls, SD. Creative Planning provides wealth management, financial planning, and retirement-plan advisory services to a diverse client base, including high-net-worth individuals, pension plans, and corporations. The firm employs a financial-planning-led investment approach that emphasizes low-cost indexing and long-term strategies, supplemented by selective private market exposure and fiduciary-advised retirement services.

Michael Bertram is a financial advisor at Wells Fargo Clearing with 18 years of industry experience. He holds a Series 66 designation and has worked at Wells Fargo Clearing since 2016, following three years with WELLS FARGO Advisors, LLC. Wells Fargo Clearing provides retirement plan consulting to qualified ERISA plans and non-qualified deferred compensation plans, offering both non-discretionary and discretionary services. The firm’s advisory process is IPS-driven and grounded in modern portfolio theory, with a broader set of investment options including insurance-related vehicles and bank deposit sweep programs.

Luke La Rock is a financial advisor with CWM, LLC based in Sioux Falls, SD, holding a Series 65 credential and three years of industry experience. His prior roles include positions at Pinnacle Wealth and Shaykett Appraisal. He has also been involved with Bethlehem Lutheran Church for several years. CWM, LLC is an SEC-registered investment adviser serving individuals, high-net-worth families, foundations, endowments, corporations, and institutional clients through a network of over 600 advisors. The firm offers portfolio management, financial planning, and retirement-plan services, utilizing a discretionary, model portfolio approach supported by a combination of fundamental and technical analysis, third-party sub-advisors, and customization tools.

Edwina Martin is a Series 65 licensed financial advisor with two years of industry experience, currently with Waverly Advisors, LLC. She previously worked at 9258 Wealth Management for five years and was employed at Teradata Corp for eleven years. Martin also serves as assistant director of tax planning at 9258 Tax and Planning, a non-investment related business. Waverly Advisors is a multi-team registered investment adviser managing portfolios for individuals, retirement plans, and pooled investment vehicles. The firm combines traditional equity and fixed-income strategies with alternative and private-market allocations, offering a range of investment management and financial planning services.

Thomas Trefzger is a Series 66-credentialed financial advisor with eight years of industry experience. He has worked at Hantz Financial Services, Inc. since 2018 and previously held roles at Sprint and Cleveland State University. Hantz Financial Services, Inc. serves a diverse client base including individuals, high-net-worth households, pension and profit-sharing plans, and business owners. The firm offers financial planning and wealth management primarily through ETF-based model portfolios across five risk levels, supplemented by third-party managers and Direct Indexing, and combines advisory, broker-dealer, mortgage, and insurance activities under one platform.

Ethan Siekkinen is a CFP® and holds a Series 65 license, currently serving as a financial advisor with Plante Moran Financial Advisors. He has one year of industry experience and has previously worked at J Wilson Wealth Management and operated Rizzo Lawn Care. Plante Moran Financial Advisors, LLC provides investment advisory, financial planning, and estate planning services to a diverse client base including individual households, institutional clients, and sovereign wealth funds. The firm employs a multi-disciplinary investment process and offers both discretionary and non-discretionary portfolio management, manager search, and tax-lot accounting services.

Richard Brandi is a financial advisor with Charles Schwab based in Austin, TX, holding Series 63 and Series 66 licenses and bringing 32 years of industry experience. He has been with Charles Schwab and Charles Schwab Bank ssb since 2003 and 2005, respectively. Charles Schwab & Co., Inc. serves primarily high- and ultra-high-net-worth individuals through its Schwab Wealth Advisory wrap fee program and affiliated managed-account and financial planning services. The firm offers a mix of non-discretionary and discretionary investment guidance, leveraging multi-asset model portfolios and research from its Schwab Center for Financial Research.

Geoffrey Tomes is a financial advisor with Sanctuary Advisors, LLC, holding a Series 66 credential and 26 years of industry experience. He has worked at Noyes Advisors LLC for 11 years and David A Noyes & Company for 26 years. His other business activities include involvement in fixed life and health insurance and fixed annuities. Sanctuary Advisors, LLC serves a diverse client base including individuals, corporations, pension and profit-sharing plans, trusts, estates, and charitable organizations through a network of over 400 independent investment adviser representatives. The firm offers a range of portfolio management and financial planning services employing various analytical approaches and maintains distinctive features such as negotiated performance-based fees for large institutional clients and affiliations with specialized asset management firms.

Scott Mahoney is a financial advisor with Morgan Stanley in New York, NY, holding Series 63 and Series 65 credentials and bringing 34 years of industry experience. He has been with Morgan Stanley since 2009, including roles at Morgan Stanley Private Bank, N.A. Outside of his advisory work, he is involved with Giants Foot Cubed LLC. Morgan Stanley Wealth Management is a large SEC-registered investment adviser and broker-dealer that serves both individual and institutional clients. The firm offers a wide range of advisory programs and financial planning services supported by structured planning tools and broad investment resources.

Elizabeth Brown is a Series 66 licensed financial advisor with J.P. Morgan Securities in New York, NY, where she has worked since 2012. She has 26 years of industry experience. J.P. Morgan Securities provides institutional consulting services to clients such as corporations, foundations, and defined contribution plan sponsors, offering asset allocation advice, investment manager and fund searches, and customized performance reporting through a select group of Wealth Advisors. The firm combines large institutional advisory operations with brokerage, distribution, and investment management capabilities.

David Cade is a financial advisor with LPL Financial based in Houston, TX. He holds Series 63 and Series 65 licenses and has 42 years of industry experience. Prior to joining LPL Financial in 2025, he worked at Next Financial Group, Inc. for 20 years and Raymond James Financial Services, Inc. for six years. LPL Financial is a national broker-dealer and SEC-registered investment adviser that provides advisory and brokerage services to individuals, retirement plan participants, banks, trust companies, and other institutions. The firm offers a range of financial planning and portfolio management solutions, integrating proprietary research and third-party strategies.

Sarah Currier Barrella is a CFP® professional with 26 years of experience in financial advisory services. She currently works at Santander Securities LLC and Santander Bank, NA, having previously held positions at TD Bank and Citizens Securities, Inc. Barrella is based in Boston, MA. Santander Securities LLC serves a broad retail client base with approximately $3.14 billion in regulatory assets under management across 10,800 client relationships. The firm offers investment advisory services, portfolio management through wrap-fee programs, and financial planning, operating both as a registered investment adviser and a FINRA-registered broker-dealer.

Linda Postorivo is a financial advisor at BC Advisors, LLC with 43 years of industry experience. She holds a Series 63 designation and has worked with MAFG RIA Services, Inc. since 1994 and with Mid-Atlantic Companies since 1981. BC Advisors provides investment advisory and portfolio management services primarily to high-net-worth individuals, family trusts, pension and profit-sharing plans, and other institutional clients. The firm emphasizes non-discretionary investment recommendations grounded in fundamental analysis alongside technical and cyclical reviews, employing a variety of strategies including long-term, short-term, trading, options, and alternatives.