Mr. David Reuben is a Co-Founder of Reuben Brothers. He serves as Chairman of the Advisory board at Draper Capital. He Reuben is an Angel Investor. He serves as Chairman of the Advisory board at Melbury Capital. He is a well-known international investor, industrialist, and philanthropist. He and his brother, Simon, were at one time the biggest foreign investors in the former Soviet Union, and their company Trans World Group controlled 5% of the world's aluminum output. Today, their business revolves around Real Estate, Private Equity, and Venture Capital. Well known for their charitable contributions, they established the Reuben Foundation with an endowment of $100million.