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Our Team

Daniel Bessesen, M.D.


Thank you for your interest in our Fellowship Program.  I am the Endocrinology Fellowship Program Director at the University of Colorado and I feel extremely fortunate to be able to work with our outstanding group of faculty and trainees.  They are terrific people!  Our fellows are exposed to a wide range of clinical cases at our three core hospitals: the Denver VA Medical Center, Denver Health, the county hsopital for Denver and the University of Colorado Hospital, a busy tertiary care facility for the Rocky Mountain region.  Fellows are supervised by faculty members who have interests and expertise in all areas of clinical endocrinology.  In addition, we have excellent research opportunities for our fellows as well.  We have investigators in the Division interested in a broad range of topics within endocrinology from reproductive endocrinology, pituitary hormone biology and the clinical care of patients with pituitaty tumors, insulin resistance and vascular biology, type 1 diabetes, metabolic effects of gestational diabetes to fetal programming. 
The Division has an impressive faculty beginning with Division Head Dr. Bryan Haugen is interested in the molecular pathogenesis of thyroid cancers, and has established a growing thyroid cancer program.  Dr. Kate Horwitz, who is a Past President of the Endocrine Society, and was the 2010 recipient of the Fred Conrad Koch Award from the Endocrine Society for “Exceptional Contributions to Endocrinology” has a long standing interest in estrogen, progesterone and breast cancer. A number of faculty in the Division have strong interests in metabolism including Dr. Robert Eckel, Past President of both the Obesity Society and the American Heart Association and Dr. James Hill, a Past President of the Obesity Society and the American Society for Clinical Nutrition.  

I believe that we have one of the best endocrine fellowship programs in the country.  We are committed to providing training that will allow our graduates to become outstanding clinical endocrinologists and/or develop an independent research career within an academic medical center should they choose that path. My job is to ensure that our fellows receive the training that will help them reach their potential as future leaders in endocrinology.

Feel free to contact me by e-mail if you like with your questions or thoughts. We participate in the Electronic Residency Application Service (ERAS) and the National Resident Matching Program (NRMP).  Applications will be downloaded for review in July 2019. If you have any further questions please contact our Fellowship Program Coordinator, Caroline Whitaker, at (303) 724-8098, or​ 

Cecilia Low Wang, M.D.

Associate Professor of Medicine
Associate Fellowship Program Director
I’d like to welcome you as the Associate Fellowship Director for the Endocrinology Fellowship training program at the University of Colorado School of Medicine.  Our fellowship’s greatest strengths are our faculty and the spectrum of opportunities available at our three teaching hospitals. We have over 40 faculty within the division and many more in associated divisions and departments who are committed to teaching and mentoring fellows. Our program provides wide-ranging opportunities for clinical and research training in a variety of endocrine subspecialties. Our overall goal is to provide the best training environment for fellows to develop the skills, knowledge base, and experience needed to excel in academic endocrinology. Our emphasis on mentorship facilitates successful transitions to the next career stage for our endocrinology fellows.
Thank you for considering our program! I am excited to meet you and share with you what our program has to offer.