Eric Singer has served as the managing member of VIEX Capital Advisors, LLC, an investment manager of certain affiliated funds, since May 2014. From March 2012 until September 2014, Mr. Singer served as co-managing member of Potomac Capital Management III, L.L.C., the general partner of Potomac Capital Partners III, L.P. (PCP III), and Potomac Capital Management II, L.L.C., the general partner of Potomac Capital Partners II, L.P. (PCP II) and served as an advisor to Potomac Capital Management, L.L.C. and its related entities from May 2009 until September 2014. The principal business of PCP III and PCP II is investing in securities. Since July 2019, Mr. Singer has served as a director of A10 Networks, an application controller and firewall cloud security company, and has served as lead independent director since September 2020. Since March 2020, Mr. Singer has served as a director of Immersion Corporation, a premier licensing company focused on the creation, design, development, and licensing of innovative haptic technologies, and has served as executive chairman since August 2020.
Mr. Singer has served as a director of numerous public companies, including: Quantum Corporation from November 2017 to November 2019; as chairman of its board of RhythmOne plc from February 2018 (after its acquisition of YuMe, Inc.) until the sale of RhythmOne plc in April 2019; YuMe, Inc. from June 2016 to February 2018, including as chairman of its board beginning in November 2016; Support.com from June 2016 to March 2019; Numerex Corp. from March 2016 until its sale in December 2017; TigerLogic Corporation from January 2015 until December 2016; IEC Electronics from February 2015 to August 2017; Meru Networks, Inc. from January 2014 until January 2015; PLX Technology, Inc. from December 2013 until its sale in August 2014; Sigma Designs, Inc. from August 2012 until December 2013, including as chairman of its board from January 2013 until December 2013; and Zilog Corporation from August 2008 until its sale in February 2010.