William Kerr is the D’Arbeloff Professor of Business Administration at Harvard Business School. Bill is Senior Associate Dean for Faculty Development and Research, co-director of Harvard’s Managing the Future of Work initiative, and faculty chair of the Launching New Ventures program. Bill served as Unit Head of the Entrepreneurial Management unit from 2020-2023. Bill is a recipient of the Ewing...

William Sahlman is a Baker Foundation Professor of Business Administration at Harvard Business School. Mr. Sahlman received an A.B. degree in Economics from Princeton University (1972), an M.B.A. from Harvard University (1975), and a Ph.D. in Business Economics (1982), also from Harvard.  He joined the Harvard Business School faculty in 1980.  His research focuses on the investment and financing...

Professor WILLIAM E. FRUHAN, JR. is George E. Bates Professor, Emeritus at the Harvard Business School. He received his BS degree from Yale University, and his MBA and DBA degrees from Harvard University.  He has served as Senior Associate Dean and Director of Faculty Development;  Chairman of the Executive Education Advanced Management Program; Chairman of the Finance Area at the School; and as...

William C. Kirby is T. M. Chang Professor of China Studies at Harvard University and Spangler Family Professor of Business Administration at the Harvard Business School. He is a Harvard University Distinguished Service Professor. He serves as Chairman of the Harvard China Fund, the University's academic venture fund for China, and Faculty Chair of the Harvard Center Shanghai, Harvard's first...

Bill Vrattos is a Senior Lecturer at the Harvard Business School, where he teaches Investment Strategies, a course on public market investing in the elective curriculum. He also co-teaches Private Equity Projects and Ecosystems, where he mentors student groups on private equity investment presentations.Bill is the Managing Partner and Chief Investment Officer of York Capital Management, a global...

William Poorvu is the Class of 1961 Adjunct Professor in Entrepreneurship, Emeritus at Harvard Business School. He taught and was responsible for the real estate courses there for 35 years. He was the school's first adjunct professor, its first adjunct professor with a named chair and the first non-tenured professor at Harvard University to be given Emeritus status. He also was on the faculty...