Oak Park, IL Office

Osman Galvez Matamoros is a financial advisor at William Blair with six years of industry experience. He holds the Series 66 designation and has been with William Blair since 2017, following three years at Mercer Investments. William Blair’s Private Wealth Management division offers investment management, financial planning, and wealth services to individuals, foundations, pension, and corporate clients. The firm uses an active, research-driven approach across various asset classes and provides proprietary models, access to private funds, and co-investment opportunities.

Andrew Doten is a CFP® with eight years of industry experience, currently serving as a financial advisor at William Blair. Prior to joining William Blair in 2025, he worked at Fiducient Advisors, Brownson, Rehmus & Foxworth, Urban Financial Advisory, Vivaldi Capital Management, and Lincoln Financial Advisors. William Blair’s Private Wealth Management division provides investment management, financial planning, and wealth services to individuals, foundations, pension, and corporate clients. The firm employs an active, research-driven approach across equities, fixed income, and alternative strategies, offering proprietary models and access to private funds and co-investment opportunities.

Eileen Carraher is a financial advisor at William Blair with Series 63 and Series 65 credentials and 32 years of industry experience. She has been with William Blair & Co LLC since 2009. William Blair’s Private Wealth Management division offers discretionary and non-discretionary investment management, financial planning, and wealth services to individuals, foundations, pension, and corporate clients. The firm employs an active, research-driven approach across equities, fixed income, and alternative strategies, providing proprietary models and access to private funds and co-investment opportunities.

Michael Stedronsky is a financial advisor at William Blair in Chicago, holding a Series 66 designation with three years of industry experience. He has worked at William Blair since 2021 and has prior experience at firms including Allo Communications, Nelnet, and TD Ameritrade, as well as roles in other industries. William Blair’s Private Wealth Management division offers investment management, financial planning, and wealth services to individuals, foundations, pension, and corporate clients. The firm employs active, research-driven strategies across asset classes and provides access to proprietary models, third-party sub-managers, and private investment opportunities.