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Meet the Adolescent and Young Adult Medicine Team

Adolescent Medicine Specialists


Nurse Practitioners

Physician Assistants



  • Adolescent Medicine Fellow

    Languages Spoken



    Joseph Waters, M.D., is a Adolescent Medicine fellow at Children's National Hospital since July 2019. Born and raised in Selma, Alabama, he received a bachelor’s degree in nutrition science from Auburn University in 2011. He received his medical degree from the University of Alabama School of Medicine in Birmingham (UAB) before graduating in 2019 from his pediatric residency training at Cohen Children’s Medical Center-Northwell Health in Long Island, NY. His clinical and research areas of interest include working to address social determinants of health and improve the lives of sexual and gender minority youth. He is also very interested in medical education and advocacy and has served in leadership roles within the AAP and SAHM to continue these passions.


Social Workers

Patient Navigators

  • Family Navigator, Gender Program


    Languages Spoken



    Shane Henise serves as a patient navigator on the Gender Services team. Shane has been working with the transgender community for 10 years. Shane’s background is in both counseling and media work. He graduated from Teachers College, Columbia University with his master of education in psychological counseling in 2017, specializing in care for the LGBTQ community. In his most recent position, he worked as a Campaigns Manager with GLAAD, developing social media campaigns aimed at raising awareness and acceptance for the trans community. Shane also has a love of research and has publications on transgender microaggressions. As a transgender man, Shane has not only helped others navigate the system professionally but brings a personal experience and knowledge as well.


  • Program Manager, Adolescent Clinical Research

    Languages Spoken


    Connie Trexler, RN, CPN, MSHS, serves as the program manager for Adolescent Clinical Research with a focus on HIV prevention, HIV treatment and transgender health. Her interests include adolescent sexual health, HIV prevention, and advocacy for inclusion of youth advisory boards into research and planning. She has worked extensively with the Adolescent Medicine HIV/AIDS Research Network (ATN) since 2001, serving as the Study Coordinator Chair from 2001 to 2006 and directing their Youth Advisory Board Program from 2006 to 2013. She has maintained certification in pediatric nursing for the past 25 years. Prior to moving into research, she worked as a nurse and clinical manager on the inpatient medical care unit at Children's National. She currently focuses her efforts on development of resources and support for implementation of research studies being conducted under the Division of Adolescent and Young Adult Medicine and being a resource for others conducting research.