Los Angeles attorneys John Zaimes and Roxanne Wilson joined Arent Fox from Mayer Brown. Zaimes and Wilson will work in the firm's labor and employment practice as partner and counsel, respectively. Both lawyers handle class actions related to employment matters such as wage and hour and Private Attorneys General Act claims.

Retired U.S. District Judge Patrick J. Walsh of the Central District of California is now a mediator, arbitrator and special master on Signature Resolution's panel. Walsh was a judge in the Central District of California for almost 20 years, serving his last four years as chief magistrate judge. In his new position, Walsh will help resolve intellectual property, trademark, copyright, civil rights, torts and business and commercial issues.