Greg Koltun is the Managing Partner of the firm's Los Angeles office, and maintains a litigation practice with particular expertise in antitrust matters. He has experience litigating cases in state and federal courts throughout the country in a variety of industries and fields, and has significant lead trial experience. He has been involved in the defense of large-scale actions involving major international corporations, including nationwide consumer class actions alleging antitrust violations.

Mr. Koltun also defends many class actions in several fields outside the antitrust context. In the consumer class action area, for example, he handles breach of contract, fraud, false advertising, and unfair trade practice cases involving financial institutions, transportation companies, and insurance companies, among others. Mr. Koltun also regularly handles cases involving financial statement issues, including disputes over complex accounting, auditing, and taxation issues in professional liability cases, and disputes concerning stock and asset purchase agreements.

Mr. Koltun is a member of the Association of Business Trial Lawyers and a Board member of the Weingart Center Association, and he was recently recognized by Benchmark Litigation.

Mr. Koltun received his B.A. (magna cum laude, Phi Beta Kappa, 1984) from Claremont McKenna College. He is a 1987 graduate of the University of Chicago Law School, where he was Symposium Editor for the University of Chicago Legal Forum.