Dan has a long-term interest in Chinese and Chinese medicine, having obtained a diploma in Chinese medicine from the Macau Institute of Chinese Medicine in 1975, a Masters in Classical Chinese from the University of Washington in 1996, and a Doctorate in the Discussion of Cold Damage from the China Academy of Chinese Medical Sciences in 2006.
He also graduated with a Doctor of Osteopathy from Michigan State University College of Osteopathic Medicine in 1982, where he was a research assistant for John Upledger. He has studied with many notable osteopathic practitioners, including Robert Fulford and Jean-Pierre Barral.
In addition to teaching for both professions, he has been working on utilizing the connections between osteopathy and East Asian medicine for over thirty-five years. He is currently a medical editor at Eastland Press and has a private practice in Seattle.