His wide ranging research stretches from clinical and basic science aspects of liver physiology, liver and other adult stem cells, complexity theory, integrative medicine, science/religion interface, and consciousness studies. He is a Professor of Pathology practicing at Mount Sinai Beth Israel Medical Center and is on the faculty of the Icahn School of Medicine at Mount Sinai. He is a Senior Student at the Village Zendo under teacher Roshi Enkyo O'hara and a junior practitioner of Iyengar Yoga.