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Vladimir Shmunis is a co-founder and has served as our Chief Executive Officer and Chairman since our inception in 1999, except when he served solely as our Executive Chairman from August 2023 until December 2023. Prior to RingCentral, from 1992 to 1998, Mr. Shmunis served as President and Chief Executive Officer of Ring Zero Systems, Inc., a communications software provider founded by Mr. Shmunis and acquired by Motorola, Inc. From 1982 to 1992, Mr. Shmunis held various software development and management roles with a number of technology companies, including Hewlett-Packard and Ampex Corporation. Mr. Shmunis holds a B.S. in Computer Science and an M.S. in Computer Science from San Francisco State University.

Vaibhav Agarwal has served as our Chief Financial Officer since August 2025, and prior to that, as our Chief Transformation Officer since February 2025, Deputy Chief Financial Officer since May 2022, interim Chief Financial Officer in November 2024 and from January 2022 to May 2022, Chief Accounting Officer from April 2019 to February 2025, and Corporate Controller from July 2016 to April 2019. Prior to joining the Company, Mr. Agarwal served in senior finance roles at Intel Corporation, Altera, Intuitive Surgical, and PricewaterhouseCoopers. Mr. Agarwal holds an undergraduate degree in Accounting and Finance from the University of Delhi and an M.B.A. from the University of Illinois Urbana-Champaign. He is a Chartered Accountant from India and a Certified Public Accountant (Inactive) in California.

John Marlow has served as our Chief Administrative Officer since February 2017, as our Senior Vice President, Corporate Development since June 2013 and as our General Counsel and Secretary since April 2009, and also served as our Managing Director-EMEA from January 2015 to June 2016. He was appointed as Vice President of Corporate Development in November 2008. Mr. Marlow also served on our board of directors from August 2005 until August 2011. Mr. Marlow holds a B.A. in Sociology from Colgate University and a J.D. from the University of California (Berkeley) School of Law.

Mr. Bhatt has been appointed by our board of directors to serve as our lead independent director. Prat Bhatt has served on our board of directors since March 2024. Mr. Bhatt served as the Chief Accounting Officer from July 2009 to July 2023 and as Executive Advisor from August 2023 to January 2024 at Cisco Systems, Inc. (Cisco), a global technology company. He previously also held the additional title of Corporate Controller from July 2009 to May 2022. From June 2007 to July 2009, Mr. Bhatt served as Vice President, Finance and Assistant Corporate Controller, and from November 2000 to June 2007 he served in various leadership roles of increasing importance at Cisco. Mr. Bhatt has served on the board of directors of Seagate Technology since December 2020 and is the chair of its audit and finance committee. Since August 2023, Mr. Bhatt has served on the Governing Board of the Center for Audit Quality and is a member of its financial oversight committee. From June 1999 to November 2000, Mr. Bhatt was Director of Financial Operations at Kaiser Permanente and from October 1990 to June 1999 he was Senior Manager with Ernst & Young LLP in the Assurance Practice. Mr. Bhatt has also previously served on advisory committees to the Financial Accounting Standards Board and Public Company Accounting Oversight Board and as chair of the Financial Executives International's Committee on Corporate Reporting. Mr. Bhatt is a licensed Certified Public Accountant (retired). He holds a B.A. in economics from the University of California, Santa Cruz, and a M.Acc. from the University of Southern California.

Mr. Tarun Arora, Chief Accounting Officer of the company.

Kira Makagon has served as our President and Chief Operating Officer since February 2025 and, prior to that, as our Chief Innovation Officer since July 2019, Chief Marketing Officer since February 2024, and Executive Vice President, Innovation, from August 2012 to July 2019. Ms. Makagon holds a B.A. in Computer Science from the University of California, Berkeley and an M.B.A. from the University of California, Berkeley, Haas School of Business.