PHILADELPHIA--(BUSINESS WIRE)--BioAdvance, the Biotechnology Greenhouse of Southeastern Pennsylvania, and a leading investor in life science start-up companies, announced that it has appointed Sam Katz, a civic leader and the Managing Partner of History making Productions Partners, as the new Chair of the BioAdvance Board of Directors. It also has named two new Directors: J. Larry Jameson, M.D., Ph.D., Executive Vice President, University of Pennsylvania Health System and Dean of the Perelman School of Medicine at the University of Pennsylvania; and Lauren Lenfest, Managing Director of Alternative Investments, Pennsylvania State Employees’ Retirement System.