As a general partner of Battelle Ventures and Innovation Valley Partners, Kef focuses on investments in cleantech and communication technologies, working closely on identifying promising technologies, projects and synergies with the National Laboratories that sole limited partner Battelle Memorial Institute manages or co-manages for the U.S. Department of Energy around the country.
Kef currently is CEO of Proterro, Inc., and sits on the Boards of Directors of Aldis, Inc., Rajant Corp., and Proterro.
Biofuels Digest named her among the top 100 people in the bioeconomy for 2013 and also named her among the top 100 people in bioenergy for two consecutive years (2011-2012 and 2012-2013).
Active in the venture community, she serves on the board of Ben Franklin Technology Partners of Southeastern Pennsylvania. She also is a coauthor of Inside the Minds: Green Venture Capital (Aspatore Books, Nov. 1, 2009).
Kef has been involved in developing and executing strategy for high-technology companies for 25 years, including at Sarnoff Corp. and 3Com Corp., where she was the general manager of a $1-billion business and the first Executive in Residence, Office of the Chairman.
Kef became a technology-startup consultant in the late 1990s, a venture capitalist in 2000 and a founding member of the management team forming Battelle Ventures in 2003.
She holds a B.S.E degree in operations research from Princeton University and an M.B.A. from the Graduate School of Business, Stanford University.