Lori Keith is the Director of Research and Portfolio Manager of the Parnassus Mid Cap Fund with responsibility for portfolio management for the firm’s Mid Cap strategy. She joined Parnassus Investments in 2005 after serving as a Parnassus research intern. Before joining the firm, Ms. Keith was a Vice President of Investment Banking at Deloitte & Touche Corporate Finance LLC and was a Senior Associate in Robertson Stephens & Company's investment banking division. Prior to that, she worked in the management consulting practice at Ernst & Young. Ms. Keith received her bachelor's degree in economics from the University of California, Los Angeles and her master's degree in business administration from Harvard Business School.