David Rockvam — Chief Financial Officer and Vice President at Zix Corporation

Mr. David E. Rockvam has been Chief Financial Officer of Zix Corporation since joining in June 27, 2016 and serves as its Vice President. Mr. Rockvam served as Vice President of Product Management & Marketing Communications of Entrust, Inc. and served as its Chief Marketing Officer, Senior Vice President of Entrust Certificate Services, Director of Investor Relations, Vice President and Chief Communications Officer. Mr. Rockvam served as Chief Communications Officer, Chief Investor Relations Officer and corporate development and Chief Financial Officer of Entrust Inc. and as Director of Investor Relations of Entrust since 2000. Mr. Rockvam joined Entrust in 1998 as Senior Manager of Strategic Relations, where he helped drive relationships with system integrators and consultants as well driving marketing programs to help increase Entrust's professional services revenues. He has a wealth experience in the data security market and more than 20 years of experience in investor relations, financial planning and business and corporate development. His broad experience at Entrust includes significant involvement in the organization's initial public offering in 1998, driving its Customer Value Add initiatives, industry analyst's relations and external communications across the financial and press communities. Prior to joining Entrust, he held various finance and accounting positions at Nortel Networks from 1995 to 1998. He served as a Finance Manager and a Project Manager of Nortel Networks. Mr. Rockvam is a graduate of Texas Tech University, where he received an undergraduate degree in International Trade & Economics and a Masters of Business Administration from the University of Texas at Dallas.