Tom brings 16+ years of engineering development experience, most recently from Cisco where he was driving Cisco's ONE (SDN/OnePK/OpenFlow) initiatives. Prior to that, he led engineering for Cisco's WAN Optimization portfolio. Tom also drove engineering for Cisco's Ethernet-over-Optical products via Cisco's Cerent acquisition. He began his career at HP working on software for the early ProCurve switches. Tom has four issued U.S. patents and two pending.

Tom has a B.S. in Computer Science from California State University Chico.

As Vice President of Business Development and Alliances, Ed Chapman joins Arista with over 20 years of networking experience within the Data Center, Switching and Cloud markets. Prior to Arista, Ed held the position of Vice President of New Products and Cloud Strategy at Riverbed Technology and previously worked for Cisco Systems where he was Vice President of Product Management for the Nexus Data Center Switching and MDS Storage networking product lines. Ed has also developed strategic marketing alliances with EMC/VmWare, IBM, Hitachi Data Systems, Hewlett Packard, Microsoft, Verizon, AT&T, and Amazon Web Services.

Ed received his B.S. in Business Administration, Systems Analysis and Design from San Diego State University-California State University.

A 17 year networking industry veteran, Mark Foss joined Arista Networks in 2007. He is responsible for Arista’s global sales operations, field marketing and corporate business planning. Previously, Mark was Vice President of International sales at Arista. Prior to that he was Director of Product Management at Cisco Systems, overseeing the Catalyst 4500 and 4900 product lines where he managed marketing and channel operations for the Catalyst 5000 and 6500.

Originally from Canada, Mark holds a Bachelor of Commerce from the University of Calgary.

As Vice President of Marketing Douglas Gourlay is responsible for product and solutions marketing, communications, and the strategic alliances of Arista Networks. Prior to joining Arista, Doug was the Vice President of Data Center Marketing at Cisco Systems where he held key roles in sales, product development, and marketing. Doug has filed or holds more than 20 patents in networking technologies.

Prior to his work in the technology sector Doug served as a US Army Infantry Officer.

Jeffrey Hirschman has been designing hardware in high technology companies for over 20 years, including more than a decade in the networking industry. He was the founding hardware engineer at Arista, and leads the teams responsible for the design, and hardware development of the Arista platforms.Prior to Arista, he was an engineering manager in Cisco Systems GSBU (Gigabit Switching Business Unit) where he developed and managed key elements of the Catalyst 4000 roadmap. He joined Cisco through the acquisition of Granite Systems. Before Granite, Jeff designed ASICs for NeXT Computer and Firepower Systems and wrote software for Bell Labs.

Jeffrey has an M.S. in Computer Science from Stanford University.

Christophe has a twenty-year track record of bringing to market successful products and innovations in the networking, optical and computer industries. Prior to this, Christophe was at Cisco for more than 15 years. He held several leadership roles as VP/GM of the Catalyst 4500 platforms, VP of Engineering for the 6500 System and General Manager of the Transceiver Module Group where he drove the 10G optics form factor transition. Christophe was one of the first 4 employees at Granite Systems in 1995. Previously he worked in the Computer Science Department at Stanford University on caching architectures and distributed systems.

Christophe holds a MSEE from the University of Toulouse in France.

As vice president of EOS engineering, Adam leads the development and testing of Arista's switching, routing, and management features for Arista's Extensible Operating System. Adam has 20+ years of extensive software and engineering development experience from leading companies including SGI, where he helped build the ground breaking XFS file system, and Cisco/Granite, where he played a lead role in the development of the Catalyst 4000 product line. Adam is an author on six U.S. patents.

Adam has a B.S. in Computer Science from Stanford University.