0 Where is Varian Corporate office Headquarters Varian Headquarters Address and Contact Address: 3100 Hansen 4A, Palo Alto, CA 94304, United States Phone Number: 1-650-493-4000 Email:Click Here Number of Employees: 10,000 Established: 1948 Key People: Chris Toth Varian Headquarters Location & Directions Varian Headquarters Executive Team Name Title Chris Toth CEO About Varian History and Headquarters Information Varian Headquarters Photos Varian Varian Company Resources LinkedInFacebookTwitter Website Bloomberg Wikipedia