On September 5, 2025, the Board of Directors of Arista Networks Inc. appointed Kenneth Duda, the Company?s current Chief Technology Officer and Senior Vice President, Engineering, as the Company?s President and Chief Technology Officer, effective September 5, 2025. Mr. Duda?s expanded role will oversee cloud and AI systems engineering and business development. Mr. Duda, age 54, is one of founders and has served in various roles with them from 2004 to present.
Mr. Duda has served as a member of board of directors since December 2023. Since September 2011, Mr. Duda has served as our Technology Officer and Senior Vice President of Software Engineering. Mr. Duda holds B.S. and M.S. degrees in Computer Science and Electrical Engineering from the Massachusetts Institute of Technology and a Ph.D. degree in Computer Science from Stanford University.
There are no family relationships between Mr. Duda and any director or executive officer of the Company, and the Company has not entered into any transactions with Mr. Duda that are reportable pursuant to Item 404(a) of Regulation S-K. Except as described above, there are no arrangements or understandings between Mr. Duda and any other persons pursuant to which he will be appointed as an executive officer of the Company. The Company has not entered into any agreements or arrangements with Mr. Duda in connection with his appointment to the role of President and Chief Technology Officer. In September 2025, the Company appointed Tyson Lamoreaux as Senior Vice President of Cloud and AI Networking.
Mr. Lamoreaux has over twenty-five years of networking and systems experience. He will be joining Mr. Duda?s team, reporting to Hugh Holbrook, the Company?s Chief Development Officer, as part of the strategic expansion of Mr. Duda?s role to cover cloud and AI systems engineering and business development.
