Stephenson was an adjunct professor at the California Graduate Institute (CGI – now a part of the Chicago School of Professional Psychology) for six years. She taught Human Sexuality and Sex Therapy, Advanced Human Sexuality and Sex Therapy, and Clinical Practicum in Sex Therapy. She also taught clinical hypnosis at CGI. She received her PhD in 1996, and then in 2009 received an Honorary Doctorate in Science from the Robert Gordon University in Aberdeen for her contributions to the field of human sexuality.