Cowen Group Promotes David Istock to MD

Cowen Group has promoted David Istock to managing director of Technology Mergers & Acquisitions. Prior to joining Cowen, Mr. Istock was an executive director at UBS, where he also focused on Technology M&A. Prior to UBS, Mr. Istock co-founded Bluefish Ventures. Cowen is an investment bank that provides alternative investment management, investment banking, research, and sales and trading services.