Meet the Team

Picture of Angela Wright

Angela Wright, MD

Dr. Angie Wright is the EMS Medical Director for the University of Colorado Hospital and UCHealth Denver Metro region. She grew up in Niwot, CO, completed her undergraduate degree at the University of Denver, and attended medical school at Loyola University in Chicago.

She began her journey into healthcare getting her EMT-B license from Red Rocks Community College and worked in the Denver Metro area in EMS prior to attending medical school. She continued her passion with EMS and prehospital care through her residency at Denver Health Medical Center and completed her fellowship in EMS with the Denver Health Paramedic Division.

Angie has specific interests in EMS education, rural healthcare, program development, and research. 

Picture of Andra Farcas

Andra Farcas, MD

Dr. Andra Farcas obtained her undergraduate degree from the University of Arizona and her medical degree at Baylor College of Medicine. She completed her residency training in Chicago at Northwestern and her EMS and Disaster Medicine fellowship at the University of California San Diego.

She has specific interests in international prehospital care and Diversity, Equity, and Inclusion in EMS. 

Picture of Marc Schershel

Marc Scherschel

Marc is the Senior Director for Prehospital Care for UCHealth in the Denver Metro region. He grew up in Conifer, Colorado. He attended Colorado State University and Metropolitan State University for his undergraduate degree in Human Services with a concentration in Paramedicine. He received a master’s degree in Emergency and Disaster Management from the American Military University. 

His initial Paramedic education was with Saint Anthony’s. Marc spent 28 years with the Denver Paramedic Division before joining the UCHealth team in 2020. Marc also serves as the Team Commander for the Colorado-3 Disaster Medical Assistance Team. Marc’s primary interests are with innovation in the prehospital arena to better the field for patients and field providers, initial and ongoing education and bringing high quality simulation to the field.

Picture of Ryan Shelton

Ryan Shelton

Ryan started in EMS in 1995 in Gunnison, Colorado. Ryan was a Lieutenant Paramedic at South Metro Fire Rescue (SMFR) for nearly 21 years of public service to the Denver-Metro area. He was involved as a Field Instructor, member of the Technical Rescue team, EMT class Director and Coordinator, and Suppression Paramedic Lieutenant.  

Ryan enjoys working with subject matter experts and solving complex issues based on critical factors, while remaining practical. Ryan has planned, coordinated and implemented multi-agency full scale immersive training drills. He looks forward to the challenges that a region of healthcare brings with UCHealth.


Blake Wollenberg

Blake is the EMS Liaison for UCHealth Longs Peak and Broomfield hospitals. He moved to Colorado in 2001and attended University of Colorado Boulder. His love for healthcare and emergency medicine began when he witnessed a car accident in Longmont, CO. Without any formal training, he aided in calming the driver until EMS/Fire showed up. This led to the discovery of his passion for helping others. He attended Front Range Community College, where he achieved his EMT basic and IV certifications. 

He is a nationally registered EMT, certified peer supporter, and Stop the Bleed Instructor. Blake has worked in EMS for over ten years, having functioned in EMS as a volunteer firefighter, interfacility medical transfer technician, prehospital EMS, urgent care tech, and emergency department tech. He helped to open Longs Peak Hospital in Longmont, Colorado and helped care for the very first patient ever seen at the new hospital. 

Emergency Medicine (SOM)

CU Anschutz

Leprino Building

12401 East 17th Avenue

7th Floor

Aurora, CO 80045


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