P. Dermot O’Neill is a CPA, ABV, CVA, MAFF, ABAR, AVIA, with over 40 years of experience in CPA firms. Dermot’s practice concentrates in the areas of forensic accounting, litigation support, business valuation, transaction consulting, and financial analysis. He has provided consulting and expert witness assistance in cases involving oppressed shareholders, personal injury, wrongful death, accounting malpractice, franchisor/franchisee issues, and contract and tort issues. He has testified as an expert in 10 states, the Chancery Court of Delaware as well as the Federal Bankruptcy Court and Federal District Court.

Dermot is an adjunct instructor at Rider University of Business Administration, Graduate Studies. He has been an adjunct lecturer at Drexel University LeBow College of Business and Villanova University as well as a guest lecturer at Widener University and Lehigh University Graduate Schools of Business. He has presented numerous continuing professional education seminars sponsored by various state accounting institutes and societies, bar associations, NACVA, and AICPA. He received his B.S. in economics from Villanova University and is the 2015 recipient of the Thomas R. Porter Lifetime Achievement Award.

He has been an Editorial Advisory Board member and managing editor of the National Litigation Consultants’ Review. He continues to review books and articles for authors on a pro bono basis.