Mr. Issac Silberman has served as one of our external directors since April 2010. Since 2007, Mr. Silberman has also served as a special investment advisor at Sullam Holdings L.R. Ltd., a financial services corporation in the Lenny Recanati Group, focusing primarily on investments in high-tech, biotechnology and real estate companies. Mr. Silberman also serves as a director in other private Israeli companies, and has over 20 years of prior experience as an executive officer of various public and private companies. Mr. Silberman holds a B.A. in economics and accounting from Tel Aviv University in Tel Aviv, Israel, and he is a certified public accountant in Israel.