Jayshree Ullal

President and Chief Executive Officer


Jayshree Ullal is a networking executive veteran with 25+ years of experience and was named one of the "50 Most Powerful People" in 2005 Network World and one of the "Top Ten Executives" at VMWorld 2011. As President and CEO of Arista Networks, she is responsible for building the company's business in cloud networking.

Formerly, Jayshree was Senior Vice President at Cisco and responsible for approximately $10B in annual revenue from Data Center, Switching and Services, including Cisco's flagship Nexus 7000 and Catalyst 4500 and 6500 product lines. During her tenure at Cisco, Jayshree forged key alliances with EMC, VMware and Microsoft in virtualization and application acceleration. Prior to joining Cisco, Ullal was the Vice President of Marketing at Crescendo Communications, which was Cisco's first acquisition in 1993.

Jayshree holds a B.S. in Engineering (Electrical) from San Francisco State University and an M.S. degree in engineering management from Santa Clara University. She is the 2013 recipient of the SCU School of Engineering Distinguished Engineering Alumuni Award.

Andy Bechtolsheim

Founder, Chief Development Officer and Chairman


As Chief Development Officer, Andy Bechtolsheim is responsible for the overall product development and technical direction of Arista Networks.

Previously Andy was a Founder and Chief System Architect at Sun Microsystems, where most recently he was responsible for industry standard server architecture. Andy was also a Founder and President of Granite Systems, a Gigabit Ethernet startup acquired by Cisco Systems in 1996. From 1996 until 2003 Andy served as VP/GM of the Gigabit Systems Business Unit at Cisco that developed the very successful Catalyst 4500 family of switches. Andy was also a Founder and President of Kealia, a next generation server company acquired by Sun in 2004.

Andy received an M.S. in Computer Engineering from Carnegie Mellon University in 1976 and was a Ph.D. Student at Stanford University from 1977 until 1982.

Kenneth Duda

Founder, Chief Technology Officer and Senior Vice President, Software Engineering


Kenneth Duda is a pioneer in high-performance networking software and lead architect of Arista Networks EOS, a stateful modular operating system for all Arista Networks products. He is also the co-author of network virtualization specifications including VXLAN with VMware and NVGRE with Microsoft. From 2005 to 2008, Ken was also the Acting President of Arista Networks.

Prior to joining Arista Networks, Ken was the CTO at There.com, where he played a lead role in designing a real-time 3-D distributed system that scaled to thousands of simultaneous users. Ken was also the first employee of Granite Systems and led the software development effort for the Catalyst 4000 product line after the acquisition by Cisco.

Ken has 3 simultaneous engineering degrees from MIT and holds a Ph.D. in Computer Science from Stanford University.

Kelyn Brannon

Chief Financial Officer


Kelyn Brannon is a 25-year finance veteran in both public and private companies. Most recently Kelyn was Chief Financial Officer of Delivery Agent, based in San Francisco. Prior to that, Kelyn was CFO at Calix where she took the company to a successful IPO. Kelyn was CFO of Calypso Technology, Arzon and CEO of Studio Systems Inc. (Creative Planet). At Amazon.com, she was chief accounting officer, vice president of finance, and CFO of Amazon's international division. She has also held senior finance positions at Sun Microsystems, Lexmark International, and Ernst & Young, and is a member of the American Institute of Certified Public Accountants.

Kelyn has a B.A. in Political Science from Murray State University, Kentucky.

Anshul Sadana

Senior Vice President, Customer Engineering


Anshul Sadana has over a decade of experience in engineering management, design & software development in the networking industry. Anshul joined Arista in 2007 and is responsible for product definition and development priorities of Arista’s next generation products. He also leads all systems engineering and customer advocacy functions.

Previously at Cisco, Anshul led the development of the Catalyst 4500 and 4900 product lines and also managed strategic customer relations.

Anshul has an M.S. in Computer Science from the University of Illinois and an M.B.A. from the Wharton School of Business.

Mark Smith

Senior Vice President, Worldwide Sales Operations


Mark Smith brings 25 years of networking, security software and sales acceleration expertise. Mark is responsible for Arista's field operations, business development, products and services.

Previously Mark served as Executive Vice President of Worldwide Field Operations for Infoblox Inc. Prior to that he was Vice President of Corporate Sales of Juniper Networks and Vice President of Worldwide Sales of NetScreen Technologies from July 1999 to April 2004 where he was named one of VARBusiness' Top 100 Executives of the year and a Computer Reseller News Channel Chief.

Mark holds a B.A. in Political Science from Wheaton College, Wheaton, Illinois.