Donald S. Zakarin, Chairman of Pryor Cashman's Litigation Group, represents clients covering a broad spectrum of complex legal and business activities, including corporate and securities litigation, antitrust litigation, foreign exchange litigation, copyright and trademark litigation and general commercial litigation. He has successfully defended corporate clients and individual executives and directors in federal securities fraud class actions, SBA SBIC litigations and arbitrations, shareholder derivative suits and has guided both corporate and individual clients through SEC and N.Y. State Attorney General investigations.