She practiced in Dallas before relocating to La Jolla in 1996. Dr Marcus has served as President of the North Texas Society of Clinical hypnosis and currently as president of the San Diego Society of Clinical Hypnosis. She has volunteered as an adjunct professor at UCSD, as well as to several Jewish organizations in San Diego. (UJF-Women’s division, Adat Yeshurun fundraising, San Diego Jewish Gift closet/G’mach.)