Apr 4, 2023
John Mahon joins Proskauer Rose
John Mahon, previously Partner at Schulte Roth & Zabel, has joined Proskauer Rose as Partner in the firm’s Investment Management Practice. Mr. Mahon represents private equity firms, credit managers and other financial sector participants in a wide range of fund formation, capital markets and securities law matters, including both public and private offerings of business development companies (BDCs) and other alternative vehicles, such as registered closed-end funds and interval funds.
Recent Posts
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.

