Seasoned, concentrated stock management financial advisors in Gaithersburg, MD

Martin Depetris is a financial advisor at Fidelity with seven years of industry experience and holds the Series 66 designation. His prior work includes roles at Bank of America, Merrill, H. Beck, and Scottrade, as well as four years at Fidelity Investments, LLC. Fidelity’s Strategic Advisers LLC provides investment management and advisory services to retail and institutional clients, including an IRS-qualified Charitable Gift Fund and registered investment companies. The firm employs a systematic investment approach that combines proprietary research, quantitative analysis, and algorithmic portfolio construction across mutual funds, ETFs, and ETPs.

Matthew Bacon is a CFP® professional with 14 years of experience in financial advisory. He currently works at MAI Capital Management, LLC and has held previous roles at Carmichael Hill & Associates, University Federal Credit Union, CUSO Financial Services, MSI Financial Services, and New England Securities. MAI Capital Management, LLC provides discretionary and non-discretionary investment management, integrated wealth management, retirement plan consulting, and family-office services to a diverse client base including high-net-worth individuals, families, institutional clients, and sports professionals. The firm employs a range of portfolio management strategies and serves as both product sponsor and adviser to mutual funds and private investment vehicles.

Cornell Abod is the sole advisor at Beacon Investment Advisors LLC with a Series 65 credential and 23 years of industry experience. He has been with Beacon since 2003 and is also the owner of C.P. Abod & Co., LLC, an accounting firm, as well as Beacon RPC, LLC, a retirement plan consulting company. Beacon Investment Advisors LLC provides discretionary wealth management, portfolio management, and financial and retirement planning services to individuals, families, high-net-worth households, trusts, estates, corporations, and retirement plans. The firm manages approximately $542 million in discretionary assets and uses fundamental analysis to develop client-specific investment plans that often include diversified portfolios and derivative strategies.

Mariah Lightfoot is a Series 66-licensed financial advisor with LPL Financial, based in Gaithersburg, MD, and has eight years of industry experience. She has worked at LPL Financial since 2019 and previously held roles at Mass Mutual Investors Services, Mass Mutual Life Insurance Co, MGM National Harbor, and Capella University. LPL Financial is a national broker-dealer and SEC-registered investment adviser providing advisory and brokerage services to individuals, retirement plan participants, banks, trust companies, and other institutions. The firm offers a range of financial planning and investment management solutions and supports its advisors with proprietary research, third-party strategies, and various operational tools.

Robert Costello is a financial advisor at Transamerica Financial Advisors with 30 years of industry experience. He holds Series 63 and Series 65 credentials and has worked at several firms including Grove Point Investments, H. Beck, and Prudential. Outside of his advisory role, he is involved in rental property management. Transamerica Financial Advisors serves a wide range of clients including individual investors, pension plans, trusts, and corporations. The firm offers both advisory and broker-dealer services, utilizing proprietary and third-party model portfolios across discretionary and non-discretionary platforms.

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.

Stephen Harris is a financial advisor at Fisher Investments with a Series 65 designation and one year of industry experience. Prior to joining Fisher Investments in 2023, he worked for Fiba Basketball and East Stroudsburg University. Fisher Investments serves institutional and private clients worldwide, offering discretionary portfolio management across equity, fixed-income, and blended mandates. The firm utilizes a centralized investment process combining quantitative and qualitative research to construct diversified portfolios and provides sub-advisory and retirement plan services.

Jace Hart is a CFP® with nine years of industry experience and currently serves as a financial advisor at Rockwall Wealth Management. His prior experience includes roles at Leo Wealth, LPL Financial, and Fidelity Brokerage Services. Rockwall Wealth Management provides portfolio management, financial planning, and consulting services to individuals, trusts, plans, charitable organizations, and businesses. The firm emphasizes diversified, low-cost ETF model portfolios with a focus on tax efficiency, liquidity, and systematic macro tilts, offering both traditional and advanced investment strategies tailored to client objectives.

Barbara Brewer is a financial advisor at RBC Capital Markets with 20 years of industry experience. She holds a Series 66 designation and has been with RBC Capital Markets Corporation since 2008. RBC Wealth Management, a division of RBC Capital Markets, serves individual investors, institutional clients, pension and profit-sharing plans, corporations, and charitable organizations. The firm offers various advisory programs with discretionary and non-discretionary portfolio management, financial planning, custody, and brokerage services, tailoring strategies to clients’ Advisory Risk Profiles through a mix of in-house and third-party providers.

Chad Clay is the sole advisor at Glass City Capital Management, LLC in Maumee, OH, holding a Series 65 credential with seven years of industry experience. Before founding his firm in 2018, he worked as an investor and previously served for eleven years with the City of Springfield, Illinois Fire Department. His background includes experience as a firefighter and EMT. Glass City Capital Management is an independent, fee-only firm providing discretionary investment management focused on long-term capital appreciation for individuals and various entities. The firm emphasizes a concentrated, actively managed equity strategy built around a core “best ideas” approach, typically holding five to forty individual securities with a preference for large-cap companies.

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.