Jan 27, 2026
Katherine Celeste Speegle joins Duane Morris
Katherine Celeste Speegle, previously Assistant Chief in the Transportation, Energy & Agriculture Section at the Antitrust Division of the U.S. Department of Justice, has joined Duane Morris as Partner in the firm's Trial Practice Group. Katherine's practice focuses on complex antitrust investigations and litigation, with particular experience in merger review and enforcement actions, conduct investigations, and trial work involving highly regulated industries.
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Jun 16, 2026
Carla Hine joins Sullivan & Cromwell
Carla Hine, previously Counsel at Weil, Gotshal & Manges, has joined Sullivan & Cromwell as Partner in the firm's Antitrust Group. Carla's practice focuses on advising clients on the antitrust aspects of complex mergers and acquisitions and joint ventures, including compliance with the Hart-Scott-Rodino Act.
Jun 16, 2026
Brian Nieves joins Holtzman Vogel
Brian Nieves, previously Chief of Staff in the Office of the Deputy Attorney General under Todd Blanche, has joined Holtzman Vogel as Partner. Brian will advise clients on government investigations, white-collar defense, regulatory compliance, congressional oversight and high-stakes enforcement matters.

