Has a BA in philosophy (1978). He started studying acupuncture at the New England School of Acupuncture in Boston in the US in 1980. His initial teachers were Tin Yau So, Ted Kaptchuk and Kiiko Matsumoto. Since graduation in 1982, he has practiced Japanese acupuncture exclusively, including specialty pediatric treatment methods called ‘shonishin’. With the exception of the time where he was away studying, he has practiced acupuncture continuously since 1982.
During the time he worked with Kiiko Matsumoto (1982-1986) he co-authored three books with her (Five Elements and Ten Stems, Extraordinary Vessels and Hara Diagnosis: Reflections on the Sea).
He started going to Japan to study with senior Japanese practitioners in 1986. He studied extensively with Dr. Yoshio Manaka (from 1986-1989), co-authoring his book (Chasing the Dragon’s Tail). He has also studied extensively with a number of Toyohari instructors (from 1988 - the present). His studies with Toyohari instructors were in Japan, the US and Europe and involved studying with Kodo Fukushima, Toshio Yanagishita, Akihiro Takai, Shozo Takahashi, Koryo Nakada, Shuho Taniuchi, Michio Murakami, Hideki Sagawa, Fumio Sakata, Yutaka Shinoda and others.
He has visited many different clinics in Japan and has thus observed many methods and styles of treatment. He has also attended various workshops in the US with other practitioners including Denmei Shudo from Japan, Tae Woo Yoo from Korea.

He is the co-author of seven number of books about acupuncture, five dedicated to the practice of Japanese acupuncture. In addition to the four mentioned above these include: Japanese Acupuncture (co-authored with Junko Ida), Understanding Acupuncture (co-authored with Bob Felt) and Acupuncture Efficacy (co-authored with Richard Hammerschlag).
He has authored dozens of papers on acupuncture, especially in the area of research on acupuncture. He is currently working on a specialised pediatric acupuncture text and an edited text with Spanish colleagues about the early history of qi and its role within East Asian medical traditions.

He began teaching Japanese acupuncture at the New England School of Acupuncture where he eventually became head of the Japanese Acupuncture Department. He did some additional lecturing around the US and is now an internationally known instructor in Japanese style acupuncture methods, including the advanced methods of Toyohari - East Asian Needle Therapy, lecturing around Europe (Holland, UK, Germany, Switzerland, Spain, Portugal, Scandinavia, Austria) and occasionally in Australasia. He recently accepted the post of Associate Professor at the Oslo University College of Acupuncture. This is the first government recognized degree granting acupuncture College in Scandinavia.

He has been involved in acupuncture research since the late 1980s with a PhD on acupuncture research (1998). He is the past founding president of the American Society for Acupuncture Research. He worked on studies at Harvard and Yale medical schools and consulted on various other studies in the US, Europe and Australia. At present he is helping coordinate the development of a research agenda within the field of acupuncture.

He is also a founding member and academic dean of the European Branch of the Toyohari Association, the chairperson of all non-Japanese branches of the Toyohari Association and the founding president of the Stichting (foundation) for the Study of Traditional East Asian Medicine.