Christopher (Chris) McCartney, MD, made significant contributions this year as Clinical Guidelines Committee Chair, APDEM President, and his other leadership roles. He attended medical school and completed his internal medicine training at the University of Mississippi School of Medicine. In 1999, Chris began his career at the University of Virginia in Charlottesville, VA, first as an endocrinology fellow and then staying on as a faculty member. His passion for mentorship and education paved the way for his 2011 appointment as endocrine fellowship program director. Chris’s influence and leadership as a program director was recognized with his election as president of the Association of Program Directors in Endocrinology, Diabetes, and Metabolism’s (APDEM) in 2018. As chair of APDEM’s All-In Working Group, Chris played a key role in APDEM’s decision to join the “All-In” match for adult endocrinology fellowship programs. Chris subsequently authored APDEM’s All-In match policy and worked with NRMP on implementing it for the 2019 match. Chris previously served as a member of the Annual Meeting Steering Committee. In 2018, he was named as Chair of the Clinical Guidelines Subcommittee, and under his leadership the Subcommittee was recently established as a full committee by the Board of Directors. A champion for the Society’s guidelines, Chris has been passionate about improving our guideline development methodology as well as about making guideline content more accessible to readers around the world. He has led a variety of improvements to our process, including more rigorous guideline reviews, improved formatting, and the implementation of national and international best practices in guideline production.