Since August 2020, Mr. Cowan has served as Chief Development Officer of Rivada Networks, Inc. Since January 2013, he has served as the Chief Executive Officer of Cowan Consulting Corporation LLC, a privately held company that manages investments and provides strategic planning and board advisory services, and since September 2019, he also has served as the Chief Executive Officer of NVR3 LLC (dba Venadar). From July 2007 to January 2013, Mr. Cowan was the President of Strategic Planning and Corporate Initiatives at Sprint Corporation, with responsibilities that included developing the long-term strategic plan for Sprint, restructuring and managing Clearwire Corporation as a public company consortium including Sprint, Comcast, Time Warner Cable, Intel, Google, and Bright House Networks, and managing the sale of control of Sprint to Softbank. From May 1996 to January 2007, Mr. Cowan held a variety of roles at BellSouth Corporation, which subsequently merged with AT&T, including Chief Development Officer, Chief Network Field Officer and President of Marketing and Product Management.