Faculty

Christopher Berry, MD, PHP, FAEMS, FACEP
Dr. Berry has a 20+ year history with a variety of EMS and fire services organizations. Dr. Berry completed Emergency Medicine residency at Geisinger Medical Center and EMS Fellowship at Milton S Hershey Medical Center. Dr. Berry is an associate medical director for Geisinger Emergency Medical Services and provides medical direction to several local agencies. He is an assistant professor of emergency medicine at the Geisinger School of Medicine. His interests include prehospital airway management, trauma care and critical care transport.

Douglas Kupas, MD, NRP, FAEMS, FACEP
Doug Kupas is an EMS physician and emergency physician at Geisinger. He serves as a core faculty member of the Geisinger EMS Fellowship. He is also the current president of the National Association of EMS Physicians. His EMS roles include field response and administrative medical direction for Geisinger's Mobile Integrated Healthcare (MIH) agency, Geisinger EMS and the state licensed Quick Response Services at Knoebel's Amusement Resort, Wegman's, Millville FD, Liberty Township FD and Danville FD.

Dr. Kupas has focused his academic career on EMS safety for over 35 years, and he is a national expert on EMS culture of safety, vehicle operations safety, EMS medication safety and EMS clinician fatigue. His other academic and research interests include trauma triage, cardiac arrest resuscitation, field termination of resuscitation and EMS physician procedures. He also has a special interest and significant experience in mass gathering/event EMS care.

He has previously served as the medical director for the National Association of EMTs, a board member and chair for the EMS subboard of the American College of Emergency Physicians, and as the Commonwealth EMS Physician for the Pennsylvania Department of Health for nearly 23 years. At Geisinger, Dr. Kupas currently serves as Director of Resuscitation Programs for the system. He is committed to EMS safety and to mentoring the next generation of leaders in EMS.

Samuel Slimmer MD, FACEP
Dr. Slimmer is an emergency physician with Geisinger. He’s the associate medical director of Geisinger's Life Flight program, as well as the Associate Program Director for Geisinger EMS.  Dr. Slimmer is an assistant professor of emergency medicine for the Geisinger School of Medicine, where he serves as the associate residency program director for emergency medicine. He’s dual-boarded in both Emergency Medicine and Emergency Medical Services. His interests include critical care transport, resident/fellow education and regional systems of care.