John Warren is a CFP® with 25 years of industry experience. He is currently with William Blair, joining the firm in 2023, and previously worked at Morgan Stanley and Citigroup Global Markets. 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 an active, research-driven approach across equities, fixed income, and alternative strategies, providing proprietary model portfolios and access to private funds and co-investment opportunities.

Cynthia Rosendale is a financial advisor at William Blair with 27 years of industry experience. She holds Series 63 and Series 66 licenses and previously worked at Morgan Stanley Smith Barney and Morgan Stanley & Co., Incorporated. She is based in Denver, Colorado. William Blair’s Private Wealth Management division provides investment management, financial planning, and wealth services to individuals, foundations, pension, and corporate clients. The firm uses an active, research-driven approach across equities, fixed income, and alternative strategies, offering proprietary models and access to private funds and co-investment opportunities.

Mark Warren is a financial advisor with William Blair, holding Series 63 and Series 65 credentials and more than 24 years of industry experience. Prior to joining William Blair in 2023, he worked at Morgan Stanley in various roles from 2009 to 2023. William Blair’s Private Wealth Management division serves individuals, foundations, pension, and corporate clients with discretionary and non-discretionary investment management, financial planning, and wealth services. The firm employs an active, research-driven approach across multiple asset classes and offers proprietary model portfolios and access to private funds through its MB Investments Program.