Ashley P. McGuinness
Client Relationship Advisor
About Ashley
Ashley McGuinness is a client relationship advisor with William Blair Private Wealth Management in Los Angeles. In this role, she facilitates the execution of investment advice and oversees all aspects of client service, including trading, money movement, account administration, and day-to-day coordination with clients’ external advisors—such as attorneys, accountants, and family office teams—to ensure a fully integrated wealth management experience.
Ashley joined William Blair in 2020 and has worked alongside partner Michael Walsh for more than 20 years, developing a deep understanding of their clients’ unique needs and long-term goals. Prior to William Blair, she held client service and advisory roles at Merrill Lynch and J.P. Morgan, with a focus on ultra-high-net-worth individuals and small-business owners.
Ashley holds the Accredited Wealth Management Advisor (AWMA®) designation and a B.S. in Commerce from the University of Virginia. She also serves on the Associates Board of City Year Los Angeles.
About William Blair
William Blair is a premier global partnership with expertise in investment banking, investment management, and private wealth management. We provide advisory services, strategies, and solutions to meet our clients’ evolving needs. As an independent and employee-owned firm, together with our strategic partners, we operate in more than 20 offices worldwide.*
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1935Year William Blair was founded
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2,000+Employees worldwide
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145 billion+Client assets
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90 YearsIndependent and employee-owned
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20+Offices worldwide
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650+Companies under coverage
As of June 30, 2025
*Includes strategic partnerships with Allier Capital, BDA Partners, and Poalim Capital Markets.