Sharon Zackfia, Principal, Group Head-Consumer Sector, CFA, joined the equity research department of William Blair & Company, L.L.C., in 2000. She focuses on the restaurant, leisure and apparel industries. Previously, Ms. Zackfia worked in research at Credit Suisse First Boston and with the Nasdaq Stock Market and Jennison Associates LLC. Ms. Zackfia earned a B.A. from Yale University.