Edgardo J. Menvielle, MD, MSHS, is the director of the Gender and Sexuality Development Program and of the Gender and Sexuality Advocacy and Education Program in the Psychiatry Department of the Children’s National Medical Center in Washington, D.C. He started a national outreach group for parents of gender-variant children in 1998, and later a gender and sexuality development clinic. He is also an associate professor of psychiatry and behavioral sciences at The George Washington University. An internationally recognized authority on childhood and adolescent gender and sexuality, Dr. Menvielle has been quoted in The New York Times and Newsweek. He lives in Washington, D.C.