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Pediatric Residency Program - Who We Are

Our residents are our program’s greatest strength. While they come from incredibly diverse backgrounds personally, academically, and geographically, they also share many characteristics. Friendly and social as a whole, our residents are deeply committed to patient care and hold themselves and each other to the highest standards. Each class shares a strong sense of camaraderie and trust that develops quickly from their common experience.

The residency is led by our Program Director and Associate Program Directors, who are dedicated resident advocates. Three Chief Residents and two Program Coordinators organize resident education and provide the bridge between residents and faculty. Flexibility is a key characteristic of the program, and all residents have the opportunity to provide input in program development, with changes frequently happening in real time.

Current Residents

Please follow the link to view a complete listing of our current residents and the medical schools they attended. Please welcome our 2018-19 pediatric intern class​.

Our residents are a diverse group that come from a variety of backgrounds and have unique experiences and interests. Click the photos below to view profiles of our chief residents, rising chief residents​, and some of our first-year, second-year and third-year residents.

Chief Residents

Chief 2017

Lauren Anderson, MD (right)
Medical School: Baylor College of Medicine

Andy Krack, MD (center)
Medical School: Indiana University School of Medicine

Shannon Flood, MD (left)
Medical School: Oregon Health and Sciences University


View bios of our chief residents and bios of our rising chief residents.

Program Leadership

Program Directors


(From left to right)

Carol Okada, MD
Associate Program Director

Marsha S. Anderson, MD
Associate Program Director

Adam A. Rosenberg, MD
Program Director

Amy E. Sass, MD, MPH
Associate Program Director

L. Barry Seltz, MD
Associate Program Director 


Program Coordinators


Kathy Urban, C-TAGME (left)

Bonnie Caywood (right)



Residents graduating our program enjoy tremendous success in a variety of fields which include subspecialty training, primary care pediatrics, and hospitalist positions. Graduates are in high demand both in Colorado and around the country. A variety short-term options are available  through Children’s Network of Care, and many residents choose these opportunities as a way to gain valuable experience before moving on to more permanent positions. A strong mentoring program within the residency ensures that all career goals are supported. Our graduates typically receive their first choice placement for practice or fellowship.

The following is a list of recent post-residency positions:

  • Global Health Fellowship - University of Colorado School of Public Health
  • Heme/Onc/BMT Nocturnist – Children’s Hospital Colorado
  • Hospital Medicine – Children’s Hospital Colorado, Wyoming, Arizona
  • Neonatology-Perinatology Fellowship – University of Colorado
  • Peace Corps Global Health Service Partnership – Uganda
  • Pediatric Allergy & Immunology Fellowship – University of Colorado, Cincinnati Children’s Hospital
  • Pediatric Cardiology Fellowship – University of Colorado, University of Michigan
  • Pediatric Critical Care Fellowship – University of Colorado, Boston Children’s, University of Michigan, Washington University – St. Louis
  • Pediatric Emergency Medicine Fellowship – University of Colorado, Children’s National Medical Center
  • Pediatric Endocrinology Fellowship – University of Colorado
  • Pediatric Genetics & Metabolic Fellowship – University of Colorado, University of California-San Diego
  • Pediatric Heme/Onc Fellowship – University of Colorado School of Medicine, CHOP, University of Michigan, UCSF, Texas
  • Emory University
  • Pediatric Hospital Medicine Fellowship – University of Colorado
  • Pediatric Infectious Disease Fellowship – University of Colorado, Emory University
  • Pediatric Gastroenterology Fellowship – University of Colorado
  • Pediatric Pulmonology Fellowship – University of Colorado
  • Pediatric Rheumatology – Cincinnati Children’s
  • Primary Care - Metro Denver, Rural Colorado
  • Primary Care, Out of state – Arizona, California, Florida, Montana, Nebraska, Oregon, Washington
  • Urgent Care – Children’s Hospital Colorado Network of Care