David Koller, Esq.

For close to two decades, employment law attorney David Koller has represented employees and employers with a wide range of employment law matters. He handles a wide range of matters –- many of which are contingency fee -– and is actively litigating the following cases:

  • Age discrimination
  • Breach of employment contracts
  • Disability discrimination
  • Fair Labor Standards Act and criminal background checks
  • Family and Medical Leave Act
  • Federal False Claims Act (qui tam) cases
  • Pregnancy discrimination and the Equal Pay Act
  • Public policy exceptions to the at-will employment law doctrine
  • Sarbanes-Oxley violations
  • Sexual harassment
  • Title VII
  • Unlawful retaliation
  • Wage payment and collection law

Prior to founding Koller Law, LLC, David worked at various law firms in the area for seven years. He was blessed to have an opportunity to represent one of the world’s largest employers, gaining insight into many different aspects of employment law. At age 33 David suffered a stroke, but recovered and continues to be an advocate for his clients, regardless of background, race, national origin, religion, gender, sexual orientation or disability.

Attorney Koller often appears in print and broadcast media, most recently on the February 4, 2021 episode of PBS39/WLVT's Community Conversation series, COVID-19 Vaccines: Fact vs Fiction.


David Koller graduated from the University of Pennsylvania in 1999. Thereafter, he attended Villanova Law School where he served as president of the student body. In 2002, attorney Koller received his law degree and was given the honor of being a commencement speaker at his law school graduation ceremony.


Attorney Koller is licensed to practice law in Pennsylvania and New Jersey. He has appeared before state and federal courts in the Eastern, Middle and Western Districts of Pennsylvania and the District of New Jersey, and has also argued before the U.S. Court of Appeals for the Third Circuit.