Med-Peds Leadership Team


Julie Venci, MDJulie Venci, MD
Program Director
Continuity Clinic Faculty
Associate Professor of Internal Medicine and Pediatrics
Primary Care Physician Denver Health

Dr. Venci completed her undergraduate education at Washington University in St. Louis where she also had the opportunity to study abroad in Santiago, Chile and become fluent in Spanish. She later returned home to Chicago to attend medical school and pursue a Med-Peds residency training. In 2010, Dr. Venci completed her Chief year as a resident at Loyola University Chicago Stritch School of Medicine and moved to Denver to become a Primary Care Clinician at Denver Health. She has been an integral player in the Med-Peds program at the University of Colorado since it’s inception in 2013 and has served as the Clinic Director, Associate Program Director and now Program Director. 

Dr. Venci created our first Combined Med-Peds Continuity Clinic which the residents often cite as one of the major strengths of the program. She completed a Teaching Scholars Program at the University of Colorado in order to focus on curriculum development. Her interests include medical education, quality improvement, public health, and underserved medicine. 

Along with her administrative roles, Dr. Venci is a Primary Care Clinician at Denver Heath where she provides care for an indigent and underserved pediatric and adult population. She continues to be a preceptor in the Med-Peds continuity clinic and is actively involved in creating new and innovative curricula for the residency program. She helped design the Med-Peds ambulatory rotation and created our longitudinal curriculum – Colorado REACH (Race, Equity, Advocacy and Community Health).  

Dr. Venci is 100% invested in the Med-Peds training program and is committed to making sure each resident attains his or her career goals in order to become leaders in the field of Medicine.

Carolina Gutierrez MDCarolina Gutierrez, MD
Associate Program Director
Instructor of Internal Medicine and Pediatrics
Primary Care Physician Denver Health

Dr. Carolina Gutierrez is an attending physician at Denver Health practicing primary care for adults and children. She was born and raised in Peru and then immigrated to Texas. She completed her undergraduate education at Texas Women's University and her medical school training at the University of Texas Southwestern School of Medicine.

She left Texas and moved to Colorado to complete a combined residency in Internal Medicine and Pediatrics at the University of Colorado where she was involved in the program's efforts in recruitment, advocacy and diversity and inclusion. She graduated the summer of 2020 and is board certified in Internal Medicine and Pediatrics and practices Primary Care at Denver Health providing care for an underserved population.

As faculty, she serves as Associate Program Director for the residency program and is involved in education, curriculum development and serves as mentor and faculty sponsor for ongoing advocacy, and DEI efforts. She loves salsa dancing, yoga, the great outdoors, and spending time with her family.

Aaron Manning MDAaron Manning, MD 
Associate Program Director
Assistant Professor of Internal Medicine and Pediatrics 
Med-Peds Hospitalist, UCHealth University of Colorado, Children's Hospital of Colorado

Dr. Manning grew up in the small town of Columbia, North Carolina and earned his undergraduate and medical degrees at the University of North Carolina at Chapel Hill. He decided to exchange the Appalachian Mountains for the Rockies in 2014, and joined the very first Med-Peds residency class at the University of Colorado. Aaron became hooked on the Colorado lifestyle during residency, and decided to stay in Denver after graduating. He now works as a Med-Peds Hospitalist, splitting his time between Children’s Hospital Colorado and UCHealth University of Colorado Hospital. 

Aaron has been a part of the CU Med-Peds Core Faculty since graduating from the program, and joined the leadership team in 2020 as an APD. His academic interests include Point-of-Care Ultrasound, curriculum design, and coaching/mentorship. 

In his free time, Aaron enjoys spending time with his wife, Hadley, and four children, Madeline, Jack, Savannah and Will. Like most Coloradans, he enjoys hiking and camping in the summer and skiing as well as snowboarding in the winter. He’s also an avid basketball fan (with a few Denver recreational league championships he can brag about) and a Tar Heel sports diehard.

Nick Breitnauer, MD Resident Clinic Director    Nick Breitnauer, MD
Assistant Professor of Internal Medicine and Pediatrics 

Primary Care Physician Denver Health

Dr. Breitnauer has lived a geographically anchored life. Growing up in rural western Colorado, he completed his undergraduate and medical school training at the University of Colorado at Boulder and then Anschutz campuses, respectively. The timely creation of a new Med-Peds residency at CU seemed almost too good to be true given the beauty of the state and the quality of the internal medicine and pediatric residency programs. He joined Denver Health in the fall of 2018 and works as a primary care provider at the Southwest Federico Pena Family Health Center.

Clinical duties also include working with residents in continuity clinic, 6 weeks per year as an inpatient attending on the Denver Health pediatric wards, and serving as the medical director for the GLOBAL Adult Down Syndrome Clinic at Denver Health . Professional interests include quality improvement and transition of care especially for patients with intellectual developmental disability. 

Nick enjoys all things Colorado, especially skiing, camping, and the Denver Broncos. All other free time is spent with his wife, Brooke, and his children, Max and Casey.

Akemi IwanabeAkemi Iwanabe
Program Coordinator

Akemi grew up and worked in Japan. While working for an American company in Yokohama, she had an opportunity to work for their global project and was transferred to the US office in Lakewood CO. She met her husband, step-son, and became a Broncos fan! When the company closed their Asian market and downsized, she went back to school and graduated summa cum laude earning her B.S. in Management from Metro State University. 

Akemi joined the Division of General Internal Medicine and worked for the Primary Care Internal Medicine Program as a coordinator. After 10 years, she had an opportunity to move to the Internal Medicine–Pediatric Residency Program. She enjoys working with the med-peds residents and continuing to be a part of the residency education within the Med/Peds family! 

Department of Medicine (SOM)

CU Anschutz

Academic Office One

12631 East 17th Avenue


Aurora, CO 80045


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