David Koller is the founder of Koller Law, LLC, with over 20 years of experience as a top-rated employment litigation attorney in Philadelphia. Specializing in workplace injustices such as sexual harassment, wrongful termination, and disability discrimination, he is known for his empathetic yet determined approach to advocating for mistreated employees. He earned his B.A. from the University of Pennsylvania in 1999 and his J.D. from Villanova Law School in 2002, where he served as student body president.