Mark Foster began practicing the Siddha Yoga teachings in June 1986 after participating in a Siddha Yoga Shaktipat Intensive in Shree Muktananda Ashram. For nine years he and his wife, Susan, hosted a chanting and meditation group in their home in Potomic Falls, Virginia, and now he serves in the SYDA Foundation as senior technology advisor from their home in Purcellville, Virginia.

Mark received bachelor’s degrees in computer science as well as in astronomy and physics from the California Institute of Technology in Pasadena. Having founded six companies in his career, Mark currently advises start-up technology companies.