Dr. Elisabeth Sheff is a sociologist, expert witness, professor, and consultant. The foremost worldwide expert on polyamorous families with children, Dr. Sheff has conducted the only longitudinal study of these families to date. As the CEO of Sheff Consulting, Dr. Sheff provides expert testimony on legal cases pertaining to polyamory, BDSM, and other sex and gender minority issues. Sheff has a PhD in Sociology (CU Boulder, 2005), is certified as a Sexuality Educator by the American Association of Sexuality Educators, Counselors, and Therapists (AASECT), and served for five years as a Court Appointed Special Advocate in Fulton County Juvenile Court (Atlanta, Georgia). Dr. Sheff has published extensively on BDSM, consensual nonmonogamies, and issues relevant to sex and gender minorities.