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HITECBIOGuillermo Diaz, Jr.
Executive Board Member\

Guillermo Diaz, Jr.

2019 HITEC Hall of Fame Inductee

HITEC Chairman

Chief Executive Officer

Guillermo Diaz is responsible for Cisco’s global Information Technology organization, along with its strategy and services. His focus is on driving the business outcomes critical to the secure digital transformation of Cisco and Cisco customers and partners. Together with his team, Guillermo is responsible for strengthening Cisco’s foundational business capabilities, enabling new business models, and building the digital skills and talent that the organization will need in the future.

Guillermo is a key leader of the Cisco Diversity Council and the executive sponsor of Conexión, Cisco’s Hispanic/Latino employee resource network.


Since joining the company in 2000, Guillermo has been a major driver in the development of Cisco’s world-class IT organization. He has led initiatives that transformed significant business foundations, from the Cisco IT Networked infrastructure to primary business IT application areas. These application areas include Cisco’s $45B+ electronic commerce, technical services, professional services, service sales and marketing, customer service, Cisco Capital, and cloud/SaaS platforms.

Prior to Cisco, Guillermo held senior IT leadership positions with some of Silicon Valley’s most respected companies, including Director of Global Network Services for Silicon Graphics, Senior Director of IT for Intelligent Electronics (Ingram Micro), and Manager of Telecommunications for Alza Corporation. He began his career in telecommunications with the U.S. Navy, where a military scholarship led to his bachelor of science degree in business administration from Regis University in Colorado.

Guillermo is the recipient of the 2016 Top 10 LIDERES award and the 2015 Hispanic IT Executive Council (HITEC) Estrella of the Year Award for outstanding individual leadership in the information technology field. He was also honored as one of 100 CIO/CTO Leaders in STEM. In addition, he has been recognized by the Silicon Valley Business Journal as 2014 Best CIO Community Champion and as one of the Top Hispanics in IT from 2009 through 2014 by HITEC. Other awards include the National Eagle Leadership Award in 2010 and CIO Magazine’s Ones to Watch Award in 2007.
Guillermo lives in the San Francisco Bay Area with his wife and four children.

Platinum & Gold Corporate Partners