Jim Mattis

General Jim Mattis is a retired United States Marine Corps four-star general and author who served as the 26th U.S. Secretary of Defense. Earning the nickname ‘Mad Dog’ and respected for his intellectual rigor, he commanded forces in the Persian Gulf War, the War in Afghanistan, and the Iraq War.

He co-authored the bestselling memoir Call Sign Chaos: Learning to Lead, which chronicles his decades of military service, leadership philosophy, and the vital importance of reading and strategic preparation.

Mattis’s exemplary public service and strategic acumen have earned him widespread national and international respect. He remains a leading voice on geopolitical security and ethical leadership.