Nathan founded and serves as President of the Sunrise Financial Group, Inc, since August 1991. In 1992, Nathan founded Sunrise Securities Corp., an NASD registered broker-dealer. In October 2003, Nathan founded and became Managing Partner of Sunrise Equity Partners, L.P., a $174 million SBIC fund, which makes direct investments in public companies. Under Nathan's leadership, Sunrise has raised in excess of $2.5 billion for over 60 domestic and international public and private companies, using a variety of financing products including traditional debt and equity as well as innovative equity-related financing instruments. Nathan began his Wall Street career with Salomon Brothers, where he helped develop some of the first mortgage backed derivative securities. Thereafter, he worked at Bear Stearns and Prudential Bache in various trading and arbitrage capacities. Nathan was graduated cum laude from Harvard College in 1982. Nathan serves on a variety of charitable boards for projects involving the developmentally disabled, cancer care, and education.