Maurice Hochschild

Chairman of the Board

Maurice Hochschild has served as a member of our board of directors since November 2012 and as Chairman of our board of directors since March 2019. Since 2001, Mr. Hochschild served in various roles at Investec Bank plc, an international specialist banking and asset management group, including Global Head of Project and Infrastructure Finance and head of commercial and institutional banking in North America. Mr. Hochschild received a B.A. from the University of Pennsylvania.

Robert Plaschke

Chief Executive Officer and Director

Robert Plaschke has served as our Chief Executive Officer and a member of our board of directors since December 2005. From 2002 to 2005, Mr. Plaschke served in multiple roles at Sonim, including Chief Financial Officer, Chief Marketing Officer and Head of Business Development. From 2001 to 2002, Mr. Plaschke served as Entrepreneur in Residence at Sutter Hill Ventures, a venture capital firm, where he served as a senior executive for a venture capital fund. Mr. Plaschke received a M.B.A. from the University of Chicago and a B.S. in Computer Engineering from Northwestern University.

Alan Howe

Director

Alan Howe has served as a member of our board of directors since October 2017. Since April 2001, Mr. Howe has served as co-founder and Managing Partner of Broadband Initiatives, LLC, a boutique corporate development and strategic consulting firm. Previously, Mr. Howe held various executive management positions at Covad Communications, Inc., a provider of broadband voice and data communications, Teletrac, Inc., a location-tracking software company, Sprint Corporation, a telecommunications company, and Manufacturers Hanover Trust Company, a commercial bank. Mr. Howe currently serves on the boards of directors of WidePoint Corporation, a provider of technology products and services, Resonant Inc., a hardware development company for mobile devices, Data I/O Corporation, a systems manufacturer for integrated circuits (as Chairman), and Determine, Inc., a provider of life cycle management solutions software (as Vice Chairman). Mr. Howe previously served on the boards of directors of magicJack VocalTec Ltd., a cloud communications company, CafePress Inc., an online retailer, Urban Communications, Inc., a provider of fiber optic services, and Qualstar Corporation, a data storage products manufacturer. Mr. Howe received a M.B.A. in Finance from the Kelley School of Business, Indiana University, and a B.S. in Business Administration from the University of Illinois, Urbana-Champaign.

Kenny Young

Director

Kenny Young has served as a member of our board of directors since April 2018. Since July 2018, Mr. Young has served as President of B. Riley Financial, Inc. Since October 2017, Mr. Young also served as Chief Executive Officer of Babcock & Wilcox Enterprises Inc., a provider of energy and environmental technologies and services. Since October 2016, Mr. Young has served as Chief Executive Officer of B. Riley Principal Investments, a wholly owned subsidiary of B. Riley Financial, Inc. In addition, since November 2018, Mr. Young has served as Chief Executive Officer of magicJack VocalTec Ltd., a cloud communications company. Since 2016, Mr. Young has served as Chief Executive Officer of United Online, Inc., an internet and communications services provider. Each of magicJack VocalTec Ltd. and United Online, Inc. is a wholly-owned subsidiary of B. Riley Financial, Inc. From 2008 to 2016, Mr. Young served in numerous leadership roles at Lightbridge Communications Corporation, a telecommunications services company, including as President and Chief Executive Officer of Lightbridge Communications Corporation International and President of Americas and Chief Operating Officer of Lightbridge Communications Corporation. Mr. Young currently serves on the boards of directors of Liberty Tax Inc., a provider of tax services, Bebe Stores, Inc., a women's apparel retailer, and Orion Energy Systems, a LED lighting and intelligent controls company. Mr. Young previously served on the boards of directors of Imagine Communications Corporation, a media services company, Global Star, Inc., a satellite communications company, B. Riley Financial Inc., a full-service investment bank, Standard Diversified Inc., a holding company for various industrial businesses, and Proxim Wireless Corporation, a broadband wireless networking company. Mr. Young received a M.B.A. in Business from Southern Illinois University, Edwardsville, and a B.S. in Computer Science and Mathematics from Graceland University.

Susan G. Swenson

Director

Susan G. Swenson has served as a member of our board of directors since March 2019. From August 2012 to August 2018, Ms. Swenson served on the board of FirstNet and chaired the board of directors from August 2014 to August 2018. From October 2015 to June 2017, Ms. Swenson served as Chairperson and Chief Executive Officer of Inseego Corporation, a wireless internet solutions and telematics provider, and served as the Board Chairperson from April 2014 to June 2017. From February 2004 to October 2005, Ms. Swenson served as the President and Chief Operating Officer of T-Mobile US, Inc., a wireless network operator. From 1999 to 2004, Ms. Swenson served as President of Leap Wireless International, Inc., a telecommunications operator, and Chief Executive Officer of Cricket Communications, Inc., a prepaid wireless service provider and subsidiary of Leap. Ms. Swenson currently serves on the board of Harmonic, Inc., a video delivery and media company, and chairs the Governance and Nominating Committee. Since October 2018 she has also served as Chairman of the Board of Directors of Vislink Technologies, Inc., a video capture and broadcasting company. Ms. Swenson received a B.A. in French from San Diego State University.

John Kneuer

Director

John Kneuer has served as a member of our board of directors since March 2019. Since November 2007, Mr. Kneuer has served as the founding Managing Member of JKC Consulting LLC, a strategic consulting and advisory firm. He has also served as Senior Advisor to the American Continental Group, a public policy consulting firm, since April 2017. Since June 2017, Mr. Kneuer has served on the Board of Directors of TerreStar Corporation, a telecommunications company. From 2011 until 2018, he served as a member of the Board of Directors of Globalstar, Inc., a satellite communications company, where he served as a member of the audit and compensation committees. From October 2003 to November 2007, Mr. Kneuer served first as the Deputary Assistant Secretary, and then as U.S. Assistant Secretary, of Commerce for Communications and Information. As Assistant Secretary, Mr. Kneuer served as Administrator of the National Telecommunications and Information Administration. Mr. Kneuer received a B.A. and J.D. from Catholic University of America.

Jeffrey D. Johnson

Director

Jeffrey D. Johnson has served as a member of our board of directors since March 2019 and previously served as a member of our board of directors from July 2017 to April 2018. Since 2010, Mr. Johnson has served as the Chief Executive Officer of the Western Fire Chiefs Association. Since 2016, he has served as the Chief Executive Officer of Brody's Meats, Inc., a smoked meat company. From 2012 until August 2018, he served as Vice President of the Board of Directors of FirstNet. From 1995 until 2010, he served as the Tualatin Valley Fire and Rescue Chief. Mr. Johnson received a B.S. in Business and Communications from Concordia University.