Jeff completed his first meditation retreat in Thailand in 1987 under the direction of Ajahn Buddhadasa.
Since then Jeff has completed a number of retreats in Thailand, Sri Lanka, Mexico, and the United States, in both the Mahasi Sayadaw and the Thai Forest traditions.
Jeff also earned a Ph.D. in Buddhist studies at the University of Virginia in 2002. He has been studying with Lisa Ernst since 2012 and completed multiple biannual retreats with her. Jeff taught a Pali language course through One Dharma as well as a recent daylong retreat on the Four Foundations of Mindfulness.