Inside Philanthropy In Past Ties Between Leslie Wexner and Jeffrey Epstein, Troubling Questions About Elite Philanthropy Wexner engaged in ethically questionable behavior by failing to conduct due diligence into Epstein’s background—and lack thereof, says Patricia Illingworth, a professor in the department of philosophy at Northeastern University’s school of business and law school, and senior fellow of the Carr Center for Human Rights Policy at Harvard’s Kennedy School of Government.