Guillermo Diaz Jr.

Senior Vice President and Chief Information Officer

Guillermo is responsible for Cisco’s global Information Technology organization and services. The focus is on transforming the overall IT experience by strengthening foundational business capabilities; enabling new business models such as service, software, and SaaS; and accelerating innovative business outcomes for Cisco customers, partners, and employees.
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.
He was also honored as one of 100 CIO/CTO Leaders in STEM, has been recognized by the Silicon Valley Business Journal as 2014 Best CIO Community Champion, 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.