Seasoned financial advisors in Sioux Falls, SD

Karen Winblade is a financial advisor with LPL Enterprise, holding Series 63 and Series 65 credentials and over 20 years of industry experience. Her prior roles include positions at Prudential Insurance Company of America, Pruco Securities, LLC, and Principal Life Insurance Company. She is also involved with Farm Legacy Group, a business entity related to her LPL advisory activities. LPL Enterprise serves a diverse client base including individuals, retirement plans, charitable organizations, corporations, and institutional clients, offering financial planning, advisory, brokerage, and insurance products through an integrated platform that combines adviser programs with other financial services.

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.

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 at LPL Financial with 42 years of industry experience. He holds Series 63 and Series 65 licenses and previously worked for Next Financial Group, Inc. for 20 years before joining LPL Financial in 2025. LPL Financial is a national SEC-registered investment adviser and broker-dealer serving individuals, retirement plans, banks, corporations, and charitable organizations. The firm offers a range of advisory programs and financial planning services with both discretionary and non-discretionary management, utilizing research and model portfolios to support diversified investment 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.