A duo of litigators from Irell & Manella has joined Mayer Brown to help the Chicago-based firm bolster its litigation and dispute resolution practice on the West Coast.

Jason Linder, head of Irell’s global investigations and anti-corruption practice, and partner Glenn Vanzura joined Mayer Brown’s Los Angeles office Monday. Linder, who is a former U.S. Department of Justice prosecutor, will split his time between the firm’s Los Angeles and Washington, D.C., offices, while securities litigator Vanzura will be based in Los Angeles.