David began practicing Soto Zen in 1992, and Chan with Master Sheng Yen in 1995. He teaches Beginner's Meditation Classes and Beginner's Dharma classes, leads One Day Chan Retreats, and gives occasional Dharma talks at the Chan Meditation Center in Queens, NY. He also leads One Day Retreats and weekend Beginner's Mind Retreats at the Dharma Drum Retreat Center in Pine Bush, NY. David has previously served on the Chan Meditation Center Board of Trustees, and currently resides in New Jersey where he is a professor of biology.