Seasoned, concentrated stock management financial advisors in Walnut Creek, CA

Nathan Sadowski is a financial advisor at Pacific Excel Wealth Advisors, Inc. in Walnut Creek, CA, holding a Series 65 designation with 11 years of industry experience. He previously worked at J.W. Cole Advisors, Inc. for six years and has been associated with Pacific Excel Wealth Advisors since 2013. Nathan is also the owner of Pacific Excel Insurance Services, Inc., an investment-related business offering various insurance products. Pacific Excel Wealth Advisors provides discretionary asset management, financial planning, and retirement-plan advisory services to individuals, small businesses, trusts, estates, pooled vehicles, and charitable organizations. The firm combines fundamental and technical analysis with diversified investment vehicles and offers tailored service tiers that include advanced planning and portfolio management.

Gary Gardner is a CFP® with 49 years of experience in the financial industry. He is currently with OneAscent Financial Services LLC and has previously worked at Life & Wealth Advisors, Inc. and Chauner Securities, Inc. Gardner has also operated his own firm, Gary Gardner & Company, since 1975. OneAscent Financial Services LLC is a multi-team registered investment adviser serving individuals, retirement plans, trusts, and institutions through multiple advisory teams. The firm offers discretionary and non-discretionary asset management, financial planning, Unified Managed Account solutions, consulting, and back-office support for other RIAs.

Timothy Oshima is a CFP® with 13 years of experience in financial advising. He is the principal advisor at Acclaro Wealth Management, LLC, where he has worked since 2015, and he is also a co-owner of Simplera Benefits & Insurance Solutions. Outside of advising, he provides input on user interface and other aspects for a financial software development project. Acclaro Wealth Management offers investment management and financial planning to individuals, qualified retirement plans, trusts, and small businesses. The firm uses a disciplined approach that includes written Investment Policy Statements, ongoing monitoring, and a combination of fundamental, technical, and cyclical analysis, with implementation methods that may involve model portfolios, independent money managers, and wrap-fee arrangements.

William Leitch is a financial advisor at Casilio Leitch Investments with 21 years of industry experience. He holds a Series 66 designation and has been with Casilio Leitch Investments since 2014. The firm provides discretionary investment management and integrated financial planning to individuals, trusts, and estates. Casilio Leitch Investments focuses on portfolio construction using a combination of top-down global economic analysis and bottom-up security evaluation, guided by Modern Portfolio Theory, primarily serving larger household portfolios.

William Harvey is a CFP® with 20 years of industry experience, currently affiliated with LPL Financial in Walnut Creek, CA. His prior roles include positions at Lincoln Financial Advisors, Charles Schwab, Wells Fargo Investments, and Morgan Stanley DW Inc. Harvey operates Harmonic Wealth Management alongside his work with LPL Financial. LPL Financial is a national broker-dealer and SEC-registered investment adviser serving individuals, retirement plan participants, banks, trust companies, and institutions. The firm provides a range of financial planning and investment management services utilizing various model portfolios and third-party subadvisors, supported by advanced operational tools.

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.