Feb 28, 2023
Karen Kazmerzak joins Simpson Thacher
Karen Kazmerzak, previously Partner at Sidley Austin, has joined Simpson Thacher as Partner in the firm’s International Litigation Department. Ms. Kazmerzak advises clients on a wide range of antitrust and competition issues, particularly in seeking clearance for high-profile, complex mergers and acquisitions before the Department of Justice and FTC, and in developing strategies to advocate for merger approval in international jurisdictions.
Recent Posts
Nov 16, 2025
Mark Williams joins Clifford Chance
Mark Williams, previously Partner at Day Pitney, has joined Clifford Chance as Partner in the firm's Energy Regulatory and Markets Practice. Mark has experience advising investors and energy companies on corporate, financial, securities and related regulatory matters before the Federal Energy Regulatory Commission and state utility commissions.
Nov 16, 2025
Sara McLean joins Akin Gump
Sara McLean, previously Assistant Director, Commercial Litigation Branch at the U.S. Department of Justice, has joined Akin Gump as Partner in the firm's False Claims Act Practice. Sara represents clients facing False Claims Act and civil fraud investigations and litigation.
Nov 16, 2025
Kirsten Wilkerson joins Clyde & Co
Kirsten Wilkerson, previously Director, Torts Branch, Civil Division at the U.S. Department of Justice, has joined Clyde & Co as Partner in the firm's North American Trial & Defense Practice. Kirsten is a litigator with experience defending complex, high-stakes tort claims, including product liability, environmental contamination, toxic exposure, mass casualty events, and premises liability.

