Haidee Schwartz is a counsel in O'Melveny's Washington, DC office and a member of the Antitrust and Competition Practice. She focuses on antitrust merger analyses and investigations, agency conduct investigations, and private antitrust litigation.

Hal Murry is head of the antitrust practice in the Washington office of Baker Botts. He has substantial experience in antitrust, commercial, and other complex civil litigation, as well as government criminal investigations.

Harold G. Levison has more than 35 years of experience in commercial litigation. He has represented corporations, brokerage firms and banks in a wide variety of actions, including antitrust, securities, corporate governance.

Hartmut Schneider is a US and German-qualified lawyer who practices antitrust law primarily before US agencies and courts. He has extensive experience in securing merger clearance for transactions in a diverse range of industries.

Hector Torres's practice focuses on antitrust and complex civil litigation. He has represented major U.S. and foreign corporations in a broad range of actions involving antitrust, intellectual property, securities fraud, product liability.

Henry Thumann is a partner in O’Melveny's Washington, DC office and a member of the Antitrust and Competition Practice.

Hank is a Fellow of the American College of Trial Lawyers, past president and Fellow of the American Board of Criminal Lawyers, and past president of the D.C. Association of Criminal Defense Lawyers.