National Holdings Corporation announced the following executive promotions: Glenn C. Worman has been appointed President in addition to currently serving as Chief Financial Officer of the company; John C. DeSena will assume the role of Chief Operating Officer of the company. John DeSena was promoted to Chief Operating Officer of National Holdings Corporation in addition to his existing role as Corporate Secretary to the Board of Directors for National Holdings. He will continue to serve as a Director on the National Insurance Corporation's Board. Before coming to National in 2016, Mr. DeSena was the Chief Operating Officer for Group Technology & Operations, the Head of Operational Excellence for the Americas, and Head of Americas Finance Infrastructure at Deutsche Bank. At Merrill Lynch, Mr. DeSena served as Head of Global Markets & Investment Banking Financial Planning and Analysis, and Chief Financial Officer of Americas Investment Banking.