John Harkrider is co-chair of Axinn, Veltrop & Harkrider’s antitrust practice. In the past 18 years, he has worked on some of the largest mergers in history, including the largest all-cash merger (Cingular’s acquisition of AT&T wireless), the largest attempted merger (WorldCom’s attempted acquisition of Sprint), and the largest IPO of 2006 (MasterCard). Mr Harkrider has significant Clayton Act litigation experience, particularly in the context of hostile mergers, as well as significant Sherman Act litigation experience, including monopolisation, tying, price fixing, and cases involving the intersection of antitrust and intellectual property. Mr Harkrider has written extensively on antitrust. He was a lead editor of the leading treatise on econometrics in antitrust and has given the Handler Lecture before the New York City Bar Association. He is an editor of Antitrust Magazine.