William MacMillan

As our Chief Product Officer, William MacMillan sets the overall product vision and strategy.

Before joining Andesite, William was the Senior Vice President for Information Security at Salesforce, and the Chief Information Security Officer (CISO) at the Central Intelligence Agency (CIA), where he led a sweeping transformation of the agency’s cybersecurity strategy and organization. He held multiple senior leadership positions at the CIA across intelligence, counterintelligence and cybersecurity operations, and was involved in the development of the Cybersecurity Operations Center (CSOC). Throughout his career,  he has focused on insider threat, supply chain risk, and incident response issues. 

Early in his career, William served as an officer and a pilot in the U.S. Air Force’s Combat Rescue and Special Operations communities. He has a BS in Biology from the U.S. Air Force Academy, an MA in International Relations from Salve Regina University, and an MS in Cybersecurity from George Mason University. He, his wife, and their three children live in the Pacific Northwest.