The Dartmouth Institute for Health Policy and Clinical Practice (TDI) has garnered significant accomplishments since its inception. Established in 1988 by John Wennberg as the Center for the Evaluative Clinical Sciences (CECS) and later reorganized in 2007 to its current form as TDI, the institute has made substantial strides in the realms of healthcare education, research, and policy One of its major accomplishments is the development and dissemination of the Dartmouth Atlas of Health Care, a seminal publication widely regarded for its documentation of unwarranted variations in the American healthcare system. The Atlas has played a crucial role in illuminating disparities in healthcare delivery and has influenced policy discussions and reforms within the healthcare landscape. Additionally, TDI offers a robust graduate-level education program, incorporating elements from both Dartmouth College's Graduate Arts and Sciences Programs and the Geisel School of Medicine. The program awards Masters in Public Health degrees, as well as Master of Science and Doctor of Philosophy degrees in Health Policy and Clinical Science, contributing to the development of a skilled and knowledgeable healthcare workforce. In furthering its mission of improving healthcare, TDI engages in comprehensive research endeavors, aiming to enhance the understanding of healthcare systems and practices. This research often culminates in influential academic publications, fostering informed discourse and driving evidence-based policy recommendations in the healthcare domain. Through these collective efforts, TDI continues to be a formidable force in advancing healthcare through education, research, and policy reforms. Several notable individuals have been associated with The Dartmouth Institute for Health Policy and Clinical Practice (TDI), contributing to its significant impact in the field of healthcare research, education, and policy reform. These individuals, along with many others associated with The Dartmouth Institute for Health Policy and Clinical Practice (TDI), have collectively made significant strides in research, education, and policy reform, impacting the healthcare landscape and promoting improved healthcare outcomes.