Stew was born in New Zealand and became the first person to certify in the St. John version of Neuromuscular Therapy (NMT) at the New Zealand College of Massage (NZCM) in Auckland, NZ. He became an NMT instructor in 1998. In 2004 Stewart relocated to the US and double-certified in the “American Version” of NMT. In 2009, Stewart became the first massage therapist to become a Certified Myofascial Trigger Point Therapist through Myopain Seminars. Stewart is the principal developer of the manual trigger point therapy course program.