Diane and her husband Bob started Wagner Realty in 1981 in Mill Valley, where they currently reside. Diane has consistently been one of the top agents in Mill Valley. Diane holds a MBA and is a member of the Mill Valley Chamber of Commerce. She also has the Certified Residential Specialist designation. An active member of the community and schools, she has served as PTA President of Park Elementary School, Mill Valley Middle School, and was business chairperson of the Tam High Foundation and continues to actively support Tam High School and Kiddo! Her commitment to her community has contributed to her successful real estate career.