Lester Summerfield, PhD has practiced as a licensed psychologist in the Conejo Valley since 1979. His impressive experience in treating and evaluating individuals and groups of families include approximately 70,000 hours. Summerfield is an accomplished academic with three graduate degrees and a lifetime teaching credential. He co-directed the medical stress unit at Westlake and was a therapist at Alcoholic Hospital. Additionally he was a High School Counselor and taught both Junior High and High School.