John DeSena serves as Co-Chief Operating Officer of Corporate Services for B. Riley Financial. He is works closely with Tom Kelleher and cross functional department heads focusing on vendor management, acquisitions, centralizing and supporting corporate initiatives/projects, and operational efficiencies among other things. John was formerly the Chief Operating Officer and Corporate Secretary for National. Prior to joining National, he was the Chief Operating Officer for Group Technology & Operations for the Americas, the Head of Operational Excellence, and Head of Americas Finance Infrastructure/Shared Services at Deutsche Bank. At Merrill Lynch, John served as Head of Global Markets & Investment Banking Financial Planning and Analysis, and Chief Financial Officer of Americas Investment Banking. He holds his Series 99 License.