Joseph is the Chairman of Trenton Biogas LLC (TBL), a company that developed the first independent commercial-scale food waste recycling facility in the New York metropolitan area. An institutional private equity investor for more than twenty-five years, he founded Joseph Littlejohn & Levy in 1985 and Palladium Equity Partners in 1998. His professional investing experience spans a wide variety of industries including healthcare, energy, chemicals, basic manufacturing, media and financial services.  Joseph holds an A.B. in European history from Cornell University and a J.D. from Columbia University School of Law.