Facing a mandatory retirement policy, Clifford Thau, the longtime managing partner of Vinson & Elkins‘ New York office, has joined Tannenbaum Helpern Syracuse & Hirschtritt, boosting the firm’s securities and commercial litigation and regulatory and compliance teams.

Thau, who joined the 51-lawyer firm on Tuesday, is reunited with former colleagues Paul Sarkozi, chair of the litigation and dispute resolution practice, and partner Steven Paradise, another recent lateral hire.