Dennis is the Corporate Secretary of Oppenheimer Holdings Inc., the ultimate holding company of Oppenheimer and its affiliates that is traded on the New York Stock Exchange under the symbol OPY. He is also a member of the Board of Directors of Oppenheimer Asset Management, Oppenheimer Europe, Oppenheimer Investments Asia Limited, Oppenheimer Israel Limited, and OppenheimerCooperative U.A. Prior to joining Oppenheimer Dennis was Corporate General Counsel for Josephthal & Co. Inc., a full service broker dealer and investment banking firm. He also served as Executive Vice President and General Counsel of Plaid Holdings Corp., a company engaged in mergers and acquisitions. Prior to that,