Mark Lewis, vice president, provides expert witness support in a wide range of matters, with a focus on antitrust, class certification and healthcare cases. His recent case work has involved alleged antitrust violations by private equity firms, antitrust claims against brand and generic drug manufacturers a transfer pricing dispute involving a major medical device manufacturer, and a proposed class action against an insurance company. Dr Lewis also has experience performing complex quantitative analysis for clients in a variety of industries, including health care, finance and telecommunications. Prior to joining Analysis Group, he was a manager in the economic and statistical consulting group of Deloitte Financial Advisory Services.