As a general partner of Battelle Ventures and affiliate fund Innovation Valley Partners, Kef has led 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 serves on the boards of GRIDSMART Technologies Inc. and Rajant Corp., and is chairman of the board of Proterro, Inc. A cofounder of Proterro and CEO during its early stages, she was named by Biofuels Digest among the top people in the bioeconomy from 2011-2014.
Active in the venture community, she also serves on the board of Ben Franklin Technology Partners of Southeastern Pennsylvania and is a coauthor of Inside the Minds: Green Venture Capital (Aspatore Books, Nov. 1, 2009).
In addition, Kef is involved in a number of nonprofit activities, including serving on the boards of Third Way, Princeton AlumniCorps, and Jewish Family & Children’s Service of Greater Mercer County. She is a member of Rachel’s Network, an organization promoting women as agents of change dedicated to the stewardship of the earth.
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 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.
She holds a B.S.E degree from Princeton University in civil engineering (operations research), with a certificate in science and policy from the Woodrow Wilson School of Public and International Affairs; and an M.B.A. from the Graduate School of Business, Stanford University.