Mark Heising runs Medley Partners for foundations and charities controlled by the Simons family as well as family members. Mark Heising founded Medley Partners in San Francisco, CA in 2004. Previously he was the Founder of VLSI Cores, which designed and licensed cryptographic integrated circuits. He holds six U.S. Patents in cryptography, compression and data communications. Mark serves as a director for Lam Aviation, Sion Power, Tabula and Nucleus Scientific. On the non-profit side, Mark currently serves on the Board of Directors of the Bipartisan Policy Center, the Environmental Defense Fund and the Heising-Simons Foundation. Mark earned a BS in Physics and a MS in Electrical Engineering and Computer Sciences from the University of California at Berkeley.