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Mr. Ben-Natan has served as a director and as the Company's President and Chief Executive Officer since June 2024. Mr. Ben-Natan joined the Company 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 the Company, 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.

Walter Jankovic has served as Chief Financial Officer since he joined Harmonic in May 2023. Prior to joining Harmonic, Mr. Jankovic was the Senior Vice President and General Manager, Datacom Business Unit, at Lumentum, a provider of optical and photonic products, from December 2018 to October 2022. Prior to Lumentum, Mr. Jankovic served as President, Optical Connectivity, at Oclaro, Inc., a provider of optical components and modules that was acquired by Lumentum in 2018, from February 2018 to December 2018. Previously, from 2005 to 2018, he served in a number of senior finance and business unit leadership roles at Celestica Inc., an electronics manufacturing services company, including Vice President of Finance for three different business segments; Senior Vice President, Communications and Internet Service Provider Markets; and, most recently, Senior Vice President, Advanced Industrial and HealthTech Markets. Prior to Celestica, Mr. Jankovic served in various finance leadership roles at Nortel Networks. Earlier in his career, he was an engagement manager at Deloitte. Mr. Jankovic holds a B.A. in Chartered Accountancy Studies and a Master of Accounting from the University of Waterloo, and is a Chartered Professional Accountant (CPA, CA, CMA).

Timothy Chu joined Harmonic in October 2013 as Vice President, General Counsel and Corporate Secretary and was appointed General Counsel, SVP Human Resources and Corporate Secretary in January 2016. Prior to joining Harmonic, Mr. Chu served as General Counsel and Vice President, Administration at Phoenix Technologies Ltd., a core systems and application software company from May 2007 to September 2013. Previously, he served as Director of Corporate Legal Affairs and Assistant Secretary at Solectron Corporation from June 2003 to April 2007. Mr. Chu began his legal career as an associate in the New York and Helsinki offices of White & Case LLP before joining Venture Law Group in Silicon Valley as a senior attorney. Tim earned his B.A. in Economics and Chinese Literature and Language and his J.D. from the University of Michigan.

Mr. Gallagher has been a director since October 2007 and was elected Board Chair in April 2013. Mr. Gallagher is currently a 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. Until January 2022, Mr. Gallagher was board chair of Intercloud SAS and previously, he served as board chair of Marco 4 plc, vice chair of Golden Telecom Inc., and Executive Vice Chair and Chief Executive Officer of FLAG Telecom Group. Earlier in his career, Mr. Gallagher 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.

Ms. Clifford has been a director since October 2018. Ms. Clifford most recently served as Chief Financial Officer (from March 2021 to May 2024) and Executive Vice President and Chief Strategy Officer (from May 2024 to December 2025) at Autodesk, a leading 3D design, engineering and entertainment software company, where she led global finance, capital allocation, corporate strategy, mergers and acquisitions, and sustainability initiatives. From July 2019 to March 2021, she served as the Chief Financial Officer of SurveyMonkey, a leading global survey software company, where she helped build the company's finance capabilities following its IPO. 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.

Mr. Dev has been a director since July 2024. Mr. Dev current serves as the Executive Vice President and CFO of Wesco International, Inc., a leading provider of business-to-business distribution, logistics services and supply chain solutions, a position he has held since February 2026. From November 2022 to January 2026, he served as the Chief Financial Officer and Chief Revenue Officer of Congruex, a communications network infrastructure design, engineering and construction company, where he was responsible for financial planning, accounting, tax, treasury, procurement and supply chain management, as well as 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 from September 2018 through April 2022, 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.

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, a position she has held since January 2019. 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 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.

Jeffrey Glahn joined Harmonic in April 2024 as Senior Vice President, Global Sales, Broadband. Prior to joining Harmonic, from October 2015 to April 2024, Mr. Glahn was Senior Vice President and General Manager, Global Sales, after serving as Vice President, North America Sales, at TiVo Corporation (which merged with Xperi Inc. in 2020), a digital entertainment technology company. Prior to Tivo, Mr. Glahn held sales leadership and product management roles at TE Connectivity, Google and Motorola. Earlier in his career, he was a systems engineer at Comcast and served as an infantry NCO team leader in the United States Marine Corps. Mr. Glahn holds a B.S. degree in Information Systems from The Pennsylvania State University and has completed the Executive Management Program at Harvard Business School.