Gene is co-chair of Global Mergers & Acquisitions (M&A) and co-chair of the Global Technology, Media and Telecommunications Group. He joined the M&A department in the Investment Banking Division in New York in 1984 before transferring to Los Angeles in 1987. Gene was named partner in 1992.

Gene is president and chair of the United States Olympic and Paralympic Committee and a member of the International Olympic Committee. Between 2015 and 2018, Gene served as chief executive officer of Los Angeles 2024 and then Los Angeles 2028, the organization responsible for bidding for and organizing the Los Angeles Olympic and Paralympic Games. He is trustee emeritus of Stanford University and a member of the Advisory Council of the Stanford Doerr School of Sustainability and the Stanford Graduate School of Business. Gene serves on the boards of LA28, the Pacific Council on International Policy and Common Sense Media.

Gene earned an MBA from Stanford University in 1984 and an AB from Harvard University in 1980.