P. Dermot O’Neill’s practice concentrates in the areas of forensic accounting, litigation support, business valuation, transaction consulting, financial analysis, and income taxation. He has provided consulting and expert witness assistance in cases involving oppressed shareholders, divorce, personal injury, wrongful death, accounting malpractice, and contract and tort issues. He has testified as an expert in Pennsylvania, New Jersey, Delaware, Florida, New York, Connecticut, Virginia, the Chancery Court of Delaware as well as Federal Bankruptcy Court and Federal District Court. Dermot is an adjunct instructor at Rider University College of Business Administration, Graduate Studies. He is the 2015 recipient of the Thomas R. Porter Lifetime Achievement Award.