Ximena Lopez, MD, did her residency in Pediatrics at the University of Illinois at Chicago, IL, and her fellowship in Pediatric Endocrinology at Massachusetts General Hospital/Harvard Medical School, Boston, MA. She is currently the Medical Director for the GENder, Education and Care Interdisciplinary Support (GENECIS) program, which provides mental health and endocrine care for gender non-conforming children and adolescents. Dr. Lopez is also currently co-chair of the Transgender Health Special Interest Group of the Pediatric Endocrine Society.