Mark Thompson, CFA, partner, is a portfolio manager on William Blair’s Small Cap Growth and All Cap Growth strategies. Previously, he was a research analyst and an associate portfolio manager on William Blair’s Small Cap Growth strategy. In Mark’s research role, he focused on U.S. small-cap stocks across sectors. Before joining the firm as a research analyst in 2006, he was a research generalist at Kidron Capital for three years. Before that, he was a research analyst covering healthcare at American Express for two years. Mark is a member of the CFA Institute and the CFA Society Chicago. He received a B.B.A. in finance (with an emphasis on accounting) and an M.B.A. (with an emphasis on finance) from the University of Iowa.

Arun Sharma is a portfolio manager on William Blair’s All Cap Growth strategy. Before joining William Blair, he was a large-cap equity portfolio manager at Cohen & Steers, as well as a senior equity analyst primarily focused on the technology, media, and telecom sectors. Before that, Arun held equity analyst roles at Foresters Financial and UBS Securities for a combined twelve years, where he focused on the technology, media, and telecom sectors. While at Foresters, he also co-managed a diversified small-cap-growth-oriented equity strategy. In addition, Arun spent three years as an investment banking associate at Needham & Company, where he primarily focused on the technology and industrial sectors. He received a B.S., cum laude, in finance and information systems from New York University.