Corporate Governance

Mr. Gallagher has been a director since October 2007 and was elected Board Chair in April 2013. He is currently the lead independent director of Ciena Corporation, a supplier of networking equipment, software and services, where he serves on the compensation committee and is chair of the governance and nominations committee. Previously, Mr. Gallagher served as a director of Sollers JSC, vice chair of Golden Telecom Inc., and executive vice chair and chief executive officer of FLAG Telecom Group. Earlier in his career, he held senior management positions at BT Group, including group director of strategy & development, president of BT Europe and as a member of the BT executive committee. Mr. Gallagher holds a B.A. in Economics with honors from Warwick University.

Mr. Ben-Natan has served as President and CEO of Harmonic since June 2024.  Mr. Ben-Natan joined Harmonic in 1996, was named Vice President of Product Marketing, Solutions and Strategy in 2007, and was appointed Senior Vice President and General Manager, Cable Products, in June 2012.  Prior to joining Harmonic, Mr. Ben-Natan served as an Embedded Software Engineer at Orckit Communications Ltd., a digital subscriber line developer. Previously, he worked on wireless communications systems while he was with the Israeli Defense Signal Corps. Mr. Ben-Natan holds a B.A. in Computer Science from Tel Aviv University.

Ms. Clifford has been a director since October 2018. Ms. Clifford currently serves as the Chief Strategy Officer of Autodesk, a leading 3D design, engineering and entertainment software company, where she is responsible for corporate development, new vertical businesses and social impact and sustainability initiatives.  From March 2021 to March 2024, , she served as the Chief Financial Officer of Autodesk. From July 2019 to March 2021, she served as the Chief Financial Officer of SurveyMonkey, a leading global survey software company. Previously, from September 2005 to June 2019, Ms. Clifford held a variety of finance positions of increasing scope and responsibility at Autodesk, including as Vice President of Financial Planning and Analysis, and was a lead architect of Autodesk’s financial transformation from selling perpetual licenses to becoming a SaaS provider. Prior to Autodesk, Ms. Clifford held positions at Virage, Inc. and Ernst & Young. Ms. Clifford holds a B.A. in Political Science with a business specialization from the University of California, Los Angeles, and an M.B.A. from the Stanford Graduate School of Business. She is a certified public accountant (inactive) in the state of California.

Ms. Copeland has been a director since June 2024.  Ms. Copeland is the founder and managing partner of Four Points Funding LLC, a real estate investment and development firm. From January 2017 to January 2019, she served as the Executive Director for the Colorado Office of Economic Development and International Trade. From February 2012 to January 2016, she was a Senior Vice President and then President of Zayo Group, a communications infrastructure services firm. Prior to Zayo Group, Ms. Copeland was Chief Operating Officer of WildBlue, a ViaSat company, after spending over 10 years at Qwest Communications as a senior executive and four years at Level 3 Communications, where she held executive leadership positions in the U.S. and the U.K. Earlier in her career, Ms. Copeland worked at Cable & Wireless Communications in St. Petersburg, Russia, and MFS Communications Company. Ms. Copeland currently serves on the board of directors of Tilson Technology Management, Inc., a privately-held telecommunications services firm. Ms. Copeland holds a B.A. in German and Commercial Studies from the University of Illinois.

Ms. Crandall has been a director since June 2024.  Ms. Crandall is the founder of Crandall Consulting, an advisory and consulting company. From July 2021 to June 2023, Ms. Crandall served as Executive Vice President and Chief Operating Officer of Sky Deutschland GmbH, a German media company. Prior to Sky, from November 2013 to July 2021, she served as Senior Vice President, Customer Experience and Call Center Operations, of the Comcast West division of Comcast Corporation. Previously, she was the Managing Director and Chief Information Officer of BT Operate, a division of British Telecom. Earlier in her career, Ms. Crandall held various leadership positions at Qwest Communications and at US West. She served on the board of First Interstate BancSystem, Inc. from March 2014 to September 2021, where she chaired the technology committee and was a member of both the audit and risk committees. Ms. Crandall holds a Bachelor of Science degree in Electrical Engineering from the University of Denver and an M.B.A. from the Kellogg School of Management at Northwestern University.

Mr. Dev has been a director since July 2024. Mr. Dev currently serves as the Chief Financial Officer and Chief Revenue Officer of Congruex, a communications network infrastructure design, engineering and construction company. At Congruex, Mr. Dev is responsible for financial planning, accounting, tax, treasury, procurement and supply chain management. He also oversees the sales and commercial services organizations, and processes related to revenue generation activities and go-to-market strategy. Prior to Congruex, Mr. Dev served as Executive Vice President and Chief Financial Officer of Lumen Technologies, and he previously held various finance leadership roles at Level 3 Communications, MCI (now Verizon Business), and MFS Communications. He holds a B.A in Mathematics from the University of Delhi (India) and an M.B.A from the University of Arizona, and is a CFA® charter holder.

Mr. Krall has been a director since February 2018. Mr. Krall has served as a strategic advisor to Roku, Inc., a leading manufacturer of media players for streaming entertainment, since December 2010, and to Universal Audio, Inc., a manufacturer of audio hardware and software plug-ins, since August 2011. Previously, he served as president and chief operating officer of Roku, president and chief executive officer of QSecure, Inc. and president and chief executive officer of Avid Technology, Inc. Earlier in his career, Mr. Krall worked in engineering and project management at several companies. Mr. Krall currently serves on the board of directors of Progress Software Corporation, where he is the chair of the compensation committee, and of Audinate Pty Ltd., where he is the board chair. Mr. Krall previously served on the board of Quantum Corporation from August 2011 to March 2017. Mr. Krall holds a B.S. and M.S. in Electrical Engineering from the Massachusetts Institute of Technology and an M.B.A., with distinction, from Harvard Business School.

Ms. Reaugh has been a director since July 2012. She is currently Vice President, Finance and Strategy, Ads, at Netflix, Inc., a streaming media company. From March 2020 to March 2021, Ms. Reaugh served as a consultant to Verizon Communications Inc., a multinational telecommunications company. From September 2018 to March 2020, she was the Chief Executive Officer and President at Jaunt Inc., where she was previously Vice president, Global Business Development and Strategy. Previously, Ms. Reaugh was the co-founder and Chief Executive Officer of GoodLooks, LLC, Executive-in-Residence at The Chernin Group, Senior Vice President of Strategy and Business Development at Miramax, Senior Vice President of Client Solutions at The Nielsen Company, and held various leadership roles at NBC Universal. Earlier in her career, she worked as a management consultant at McKinsey & Company. Ms. Reaugh served as a non-executive director on the board of Entertainment One Ltd., from November 2016 to December 2019, where she also served on the audit, nomination, disclosure and remuneration committees. Ms. Reaugh holds an M.B.A. from the University of Pennsylvania Wharton School of Business and a B.A. in Economics from Claremont McKenna College.

Mr. Whalen has been a director since August 2024. Mr. Whalen was most recently the President and CEO of ATX Networks, a global provider of network infrastructure systems and commercial video solutions. Prior to ATX, he served as the Chief Product Officer at ADTRAN, a provider of telecommunications networking and internetworking products. Before ADTRAN, Mr. Whalen held multiple leadership positions at Arris International, a telecommunications equipment company, including Senior Vice President of Sales, Senior Vice President and General Manager of Global Services, and President, Network & Cloud. Mr. Whalen has also held key positions at Cisco Systems, Comdisco, KPMG and Bell Atlantic. He holds a Bachelor of Engineering degree from Stevens Institute of Technology.