Warren MacArthur Littlefield, often known as Mac, began practicing the teachings of the Siddha Yoga path in April 1975 during Baba Muktananda’s visit to the Siddha Yoga Ashram in Oakland, California. For almost five decades now, Mac has offered seva in the SYDA Foundation. He served on staff in Shree Muktananda Ashram from 1976 to 2004 and on staff in the Siddha Yoga Ashram in Oakland from 2006 to 2019, most often offering seva as a manager and using his educational background in computers for various projects.

Mac has a bachelor’s degree in electrical engineering from the Massachusetts Institute of Technology in Cambridge and a master’s in electrical engineering from Stanford University, in Stanford, California. He received a doctor of science in electrical and biomedical engineering from Washington University in St. Louis, Missouri. Currently, Mac teaches computer science at Los Medanos College and Oholone College. He lives with his wife, Shyamala, in Oakland, California. Mac is cherished for the warmth that shines through in his welcoming smile and his unending enthusiasm.