Authors & Events
L. John Mason, Ph.D., is in private practice at the Stress Education Center since founding it in 1978. He is a member of the Biofeedback Society of America and is currently serving on the Board of Directors of the Biofeedback Society of California.
Visit other sites in the Penguin Random House Network
Stay in Touch
Start earning points for buying books! Just for joining you’ll get personalized recommendations on your dashboard daily and features only for members.