Mr. Rex S. Jackson has served as a director of the Company since December 2015. Since May 2018, Mr. Jackson has served as CFO of Chargepoint Holdings Inc. (NYSE: CHPT), a provider of charging solutions for electric vehicles. Mr. Jackson previously served as CFO of Gigamon Inc. (previously, NYSE: GIMO), a developer of network and security visibility solutions, from October 2016 until April 2018, and as CFO of Rocket Fuel Inc. (Nasdaq: FUEL), an advertising technology company, from March 2016 to October 2016. Prior to those roles, Mr. Jackson served as CFO of JDS Uniphase Corporation (Nasdaq: JDSU), a provider of network and service enablement solutions and optical products for telecommunications service providers, cable operators, and network equipment manufacturers, from January 2013 through September 2015, where he drove the separation of JDSU into two independent public companies in August 2015. Mr. Jackson joined JDSU in January 2011 as senior vice president, Business Services, with responsibility for corporate development, legal, corporate marketing and information technology. Prior to JDSU, Mr. Jackson served as CFO of Symyx Technologies (Nasdaq: SMMX) from 2007 to 2010, where he led the company's acquisition of MDL Information Systems and subsequent merger of equals with another public company. Mr. Jackson also previously served as acting CFO at Synopsys and held executive positions with Avago, AdForce and Read-Rite. Mr. Jackson holds a B.A. degree from Duke University and earned his J.D. from Stanford University Law School.