Corey Tobin, Partner

Corey Tobin, partner, is a research analyst on the U.S. growth and core equity team at William Blair Investment Management. He focuses on U.S. small-cap and mid-cap technology companies. Formerly, Corey was the team’s co-director of research from 2017 to 2022. Before rejoining the firm in 2012, he was the senior vice president of healthcare solutions and corporate planning at Trustwave Holdings, Inc., a provider of data security and compliance solutions. Corey led Trustwave’s administrative and planning functions, including financial planning and analysis, human resources, sales operations, facilities, investor relations, and special projects. Previously, he was a sell-side research analyst at William Blair, focusing on specialty software and healthcare IT companies; Corey wasrecognized by the Wall Street Journal, the Financial Times, and Forbes. Before that, he was an associate at private-equity firm Willis Stein & Partners, an analyst in the M&A investment banking group at Merrill Lynch (now Bank of America), and an associate in the financial advisory services practice at Coopers & Lybrand (now PwC). Corey received a B.S. in business administration, with high distinction, from the University of Michigan, an M.B.A. from Northwestern University's Kellogg School of Management, and an M.S. in computer science, with recognition, from the University of Chicago.