He was the founder and director of Hard Light Center of Awakening, a Los Angeles-based spiritual school that, according to its literature, offers intensive training in meditation and other practical techniques of Liberation.

Griffin’s spiritual training techniques included: flexibility of attention, breath, insight, mind-training involving concentration, discrimination, mantra and meditation.

The sadhana practices that Griffin teaches include meditation, repetition of the lineage mantra (Om Namah Shivaya or So-Ham), service, study, darshan, satsang, and recitation of the Guru Gita.

TMA and SNET have been making bio-sand water filters[6] that are distributed free of charge to needy families in the area surrounding the Fire Mountain Retreat Center[7] in Nimboli.

In 2011 Lydia Takeshita staged a one-man exhibition of Mark's work, entitled: Dream Red Body, at the LA Artcore Union Center for the Arts.