Claude Anshin Thomas is an American Zen Buddhist monk and Vietnam War veteran. He is an international speaker, teacher and writer, and an advocate of non-violence. Thomas was brought to Buddhism by Vietnamese Zen Buddhist teacher Thich Nhat Hanh, and was ordained in 1995 by Tetsugen Bernard Glassman of the Zen Peacemaker Order. Thomas teaches Buddhist meditation practice and dharma to the public through social projects, talks, and retreats. Since 1994, Thomas has walked 19,000 miles (31,000 km) on peace pilgrimages throughout Europe, Asia, the Middle East, and the United States. While walking, Thomas carries no money, and begs for food and shelter in the mendicant monk tradition. He is the author of At Hell's Gate: A Soldier's Journey from War to Peace (2004) and founder of the Zaltho Foundation, a nonprofit organization dedicated to ending violence.