William MacMillan is the Chief Product Officer at Andesite. Prior to this position, he was Senior Vice President for Information Security at Salesforce.

Prior to his retirement from the federal government, William served as the Chief Information Security Officer (CISO) at the Central Intelligence Agency (CIA).

Prior to serving as CISO, William held multiple senior leadership positions at CIA dealing with various aspects of intelligence, counterintelligence, and cyber operations.

Prior to joining CIA, William served as an officer and a pilot in the United States Air Force.

William graduated from the United States Air Force Academy with a BS in Biology. He also holds an MA in International Relations from Salve Regina University and an MS in cybersecurity from George Mason University.

William, his wife, and their three children reside in the Pacific Northwest.