Full Name
Rachel Mossman Zieminski
Job Title
Partner
Company
A&O Shearman
Speaker Bio
Rachel is a partner in the antitrust practice of A&O Shearman’s Dallas office. She is an experienced litigator and trial attorney representing clients in some of the most complex and significant antitrust disputes in the market today. These include cases challenging clients’ intellectual property under antitrust theories, defending clients’ hiring practices against “no-poach” challenges, and defending mergers in trials against the Department of Justice.
Rachel represents clients across industries including health insurance, retail, payment processing, aviation, book publishing, defense contracting and private equity. She has a passion for fact gathering and a unique ability to distill complicated antitrust arguments into easy-to-understand narratives. These skills allow Rachel to develop strong discovery records and compelling arguments in support of her clients’ positions.
Rachel is a regular speaker and thought leader on developments in antitrust litigation. She has served as a speaker at Competition Law Institute and American Bar Association conferences. Rachel has also co-authored for four years the USA chapter for the International Comparative Legal Guide (ICLG) - Competition Litigation 2024, published by Global Legal Group. This chapter details how competition rules are enforced in the United States.
Rachel earned a J.D. from University of Virginia School of Law and B.A., summa cum laude, from College of Charleston Honors College.
Rachel represents clients across industries including health insurance, retail, payment processing, aviation, book publishing, defense contracting and private equity. She has a passion for fact gathering and a unique ability to distill complicated antitrust arguments into easy-to-understand narratives. These skills allow Rachel to develop strong discovery records and compelling arguments in support of her clients’ positions.
Rachel is a regular speaker and thought leader on developments in antitrust litigation. She has served as a speaker at Competition Law Institute and American Bar Association conferences. Rachel has also co-authored for four years the USA chapter for the International Comparative Legal Guide (ICLG) - Competition Litigation 2024, published by Global Legal Group. This chapter details how competition rules are enforced in the United States.
Rachel earned a J.D. from University of Virginia School of Law and B.A., summa cum laude, from College of Charleston Honors College.