Gideon is also an Advisory Director of Berkshire Partners, an investment firm based in Boston. From 2004 to 2012 he was President and CEO of Entegris, a global supplier of products used in the production of high technology components and substrates. From 2001 to 2004 he was a Managing Director of Parthenon Capital, a private equity partnership based in Boston. From 1991 to 2000 he was Chairman, President and CEO of Kollmorgen Corporation, a supplier of high-performance electronic motion control products. Gideon is a serial angel investor in Israeli technology companies and served as the chairman of Fundtech and Servotronix. Gideon is the founder of the Shlomo Argov Fellows program for leadership in the public sector at Reichman University (IDC Herzliya) in Israel and a trustee of the Beth Israel Deaconess Medical Center in Boston. He received his BA from Harvard University (Economics, magna cum laude) and his MBA from the Stanford Graduate School of Business.