David Gregson is a counselor currently specializing in drug and alcohol misuse issues. He is the co-author of The Tao of Sobriety. He practices at West Coast Alternatives Society w...ver maisDavid Gregson is a counselor currently specializing in drug and alcohol misuse issues. He is the co-author of The Tao of Sobriety. He practices at West Coast Alternatives Society with the best crew in all of beautiful British Columbia.ver menos