After a decadelong venture at Hagens Berman Sobol Shapiro, securities litigator Peter Borkon has left the firm’s East Bay office for plaintiff-side litigation boutique Bleichmar Fonti & Auld.

Borkon joined BFA’s Oakland office as a partner on Tuesday. He also will serve as co-director of institutional investor relations at the firm in an effort to expand its capabilities in that area, including its institutional investor environmental social governance practice.