Kittisaro graduated from Princeton as a Rhodes Scholar and went on to Oxford before going to Thailand to ordain with Ajahn Chah in 1976. He was a monk for 15 years, during that time helped found Chithurst Monastery and Devon Vihara in the UK, trained monks, was a prison Chaplain, and taught extensively. He disrobed in 1991 and since then has taught internationally. With Thanissara he co-founded Chattanooga Insight TN, and Dharmagiri Sacred Mountain Retreat in 2000, also helping initiate and support a number of HIV/Aids response projects in South Africa. He has studied and practiced Chan and Pure Land for 35 years, informed by the Chinese school of Master Hua, and has completed two year-long silent self-retreats. With Thanissara, he is co-author of Listening to the Heart, A Contemplative Journey to Engaged Buddhism.