He is the Principal of the Quantum Pacific Group, a Guernsey-based holding corporation.[2][2] He is also the majority shareholder of Pacific Drilling, a public company listed on the New York Stock Exchange, and the Israel Corporation, the largest public holding listed on the Tel Aviv Stock Exchange.[2][5] He served as the Chairman of the Israel Corporation from 1999 to 2010, and as a member of its board of directors from 1999 to 2013.[3][4] He has served on the Advisory Boards of Synergy Ventures and Aspect Enterprise Solutions.[8] He was an investor in Better Place, an electric car company which went bankrupt in May 2013.[2]