Margaret M. Zwisler

Peggy Zwisler is a partner in the Litigation & Trial Department of Latham & Watkins' Washington, D.C. office. She is the immediate past Global Co-chair of Latham's nationally recognized Antitrust & Competition Practice and was named Litigator of the Year for 2015 by Global Competition Review.

Ms. Zwisler is an antitrust litigator with more than 35 years of experience and has successfully represented antitrust defendants in numerous trials and achieved significant victories for them through both procedural and substantive dispositive motions. She is nationally recognized as one of the leading class action defense lawyers in the country.

Recently, Law360 named Ms. Zwisler to its list of the 15 top female trial attorneys in the country. The Legal 500 US has consistently listed Ms. Zwisler as one of the ten leading antitrust litigation lawyers in the United States, calling her “a very skilled practitioner” and noting that she is "lauded by clients for her skills in the courtroom.” She has been named a leading attorney in Chambers USA, Euromoney Benchmark Litigation and Global Competition Review's “Who's Who of International Competition Lawyers” as well as on its list of “Leading Women in Antitrust.” Ms. Zwisler was named one of the leading lawyers in the United States and one of the country's leading trial lawyers by Lawdragon Magazine, and the Legal Times named her as one of the leading business litigators in the Washington, D.C. area. In 2001, 2002, 2012, and 2014, Ms. Zwisler was named a “Client Service All-Star,” in BTI Consulting Group’s annual survey of US corporate leaders asked to identify lawyers that represent client service excellence. Additionally, Ms. Zwisler was selected for inclusion on the 2014 Washington, D.C. Super Lawyers list which recognizes individuals who have distinguished themselves in their legal practice.