JOHN S. LETTOW

President
John brings both start-up experience and technical expertise to Vorbeck. John was a cofounder and manager of core technology development for H2Gen Innovations. He has performed research on nanostructured materials and materials process development while receiving a PhD in chemical engineering from MIT, an M.Phil in engineering from the University of Cambridge, and a BSE in chemical engineering (summa cum laude) from Princeton University. John has an MBA (with honors) from the Wharton School, University of Pennsylvania.

Kristen Silverberg

Chief Operating Officer
Kristen Silverberg recently served as U.S. Ambassador to the European Union. From 2005 to 2008, she served as Assistant Secretary of State for International Organization Affairs. She previously served in the White House as Deputy Assistant to the President and Advisor to the Chief of Staff. In 2003, she worked in Baghdad, Iraq as a Senior Advisor to Ambassador L. Paul Bremer.

Ambassador Silverberg formerly practiced law at Williams and Connolly, LLP in Washington, D.C., where she focused on complex commercial litigation. She was a law clerk to Justice Clarence Thomas of the U.S. Supreme Court and Judge David Sentelle of the U.S. Court of Appeals. She graduated from Harvard College and the University of Texas School of Law, where she graduated with high honors. She has been selected by the World Economic Forum as a Young Global Leader of 2009. She received the Secretary of Defense Award for Outstanding Public Service.

Prof. Ilhan A. Aksay

Advisor & Director
Dr. Aksay is a Professor in the Department of Chemical Engineering at Princeton University. Dr. Aksay has published extensively on graphene and its applications, as well as on biologically inspired and self-assembling materials, ceramics, colloids, and electrohydrodynamic phenomena. Dr. Aksay has been internationally recognized with numerous honors including the Richard M. Fulrath Award (1987) and the Edward C. Henry Award (2000) of the American Ceramic Society, the Charles M.A. Stine Award (1997) of the American Institute of Chemical Engineers, and the Turkish National Medal of Science (2001). Ilhan Aksay is a Fellow of the American Ceramic Society, an honorary member of the Japanese Materials Research Society, and a member of the US National Academy of Engineering. He earned his B.Sc. in ceramic engineering at the University of Washington and his M.Sc. and Ph.D. in materials science and engineering at the University of California, Berkeley.