He was the first Vice President and one of the founders of the California Association of Marriage and Family Therapists (currently over 30,000 members).
Verdier was a graduate of McGill University and held degrees in mechanical engineering and psychology.
He served in the Royal Canadian Navy during World War II and obtained the rank of Lieutenant Commander.
This was due, in large part, to the timely release of his book Brainwashing and the Cults: An Exposé on Capturing the Human Mind .
He died in Los Angeles, July 3, 1996, from complications brought on by pneumonia and sclerosis in the upper body.