Mike Custar is a managing director for William Blair based in the firm’s New York office. He joined William Blair's investment banking team in 2022. Prior to William Blair, he worked for M2O Private Fund Advisors, Credit Suisse, and PricewaterhouseCoopers.
Athletic Advisory Council for Greenwich Country Day School
Year William Blair was founded
Independent and employee-owned
Companies under coverage
As of September 30, 2022
*Includes strategic partnerships with Allier Capital, BDA Partners, and Poalim Capital Markets.