E. David Coolidge III

Mr. Coolidge was appointed to our Board of Directors in September 2015 and had served on our advisory board since 2001. He is the Vice Chairman of William Blair & Company, L.L.C., an investment banking and money management firm. In addition to serving as that firm’s Chief Executive Officer from 1995 to 2004, he has dedicated his 48-year career to financing and advising high growth companies. Mr. Coolidge holds a B.A. degree from Williams College and an M.B.A. from Harvard Graduate School of Business. We selected Mr. Coolidge to serve on our Board of Directors given his significant business and leadership experience.