Region 3
RTAC Chair: Dr. Kat Kohler
Vice-Chair: Dr. Lindsay Jaeger
Secretary: Julie Mosher
RTAC Coordinator:
Steve Elmgren
Counties
Clayton, Cobb, DeKalb, Douglas, Fulton, Gwinnett, Newton, and Rockdale.
Region 3 Meetings
Region 3 Quarterly Meeting Notes and Attendance – 12/4/2025
R3 RTAC Meeting Minutes 12.04.25Download RTAC Region 3 Quarterly Meeting Attendance 12.04.25Download
Region 3 Minutes
Region 3 Quarterly Meeting Notes and Attendance – 12/4/2025
R3 RTAC Meeting Minutes 12.04.25Download RTAC Region 3 Quarterly Meeting Attendance 12.04.25Download
Region 3 Recent Posts
R3 RTAC 8.22.2024 Meeting Minutes
R3 RTAC 8.22.24 Meeting MinutesDownload
R3 RTAC 2.29.2024 Meeting Minutes
R3 2.29.24 Meeting MinutesDownload
R3 RTAC 11.29.2023 Meeting Minutes
R3 11.29.2023 Meeting MinutesDownload
Region 3 Injury Prevention and Education
Grady Trauma Grand Rounds
Tuesday, February 6, 2024 | 7:30 - 8:30am (Virtual or In-person at Steiner Auditorium) Crossing the Quality Chasm in Trauma Chad Wilson, MD, MPH, FACS Associate Professor of SurgeryBaylor College of MedicineSection Chief of Acute Care SurgeryBen Taub...
Region 3 presentations
Region 3 RTAC Pediatric Readiness
Presented by: Samantha Sindelar, Program Manager (Georgia EMSC, Office of EMS) Pediatric Readiness Region 3 RTACDownload
Who’s Who
Dr. Katherine “Kat” Kohler - Chair, Region 3 Regional Trauma Advisory Committee
Affiliations
- Grady Memorial Hospital
- Emory University
Education & Training
- Medical School: Medical College of Georgia School of Medicine
- Residency: Wake Forest University School of Medicine – General Surgery/Trauma Surgery
- Fellowship: Grady Memorial Hospital
Board Certification
- American Board of Surgery
Areas of Expertise
- Trauma Surgery
- Critical Care Medicine
- Complex Trauma Care
- Traumatic Brain Injury
- Multiple Traumatic Injuries
- Trauma Recovery and Rehabilitation
Dr. Lindsay Jaeger - Vice-Chair, Region 3 Regional Trauma Advisory Committee

Affiliations
- Children’s Healthcare of Atlanta
- Emory University School of Medicine
- Assistant Professor, Emory University School of Medicine
- System Transport Medical Director
- EMS Medical Director, Children’s Healthcare of Atlanta
Education & Training
- Undergraduate: Tulane University
- Medical School: Tulane University School of Medicine
- Pediatric Residency: Ann & Robert H. Lurie Children’s Hospital of Chicago / Northwestern University Feinberg School of Medicine
- Pediatric Emergency Medicine Fellowship: Washington University in St. Louis / St. Louis Children’s Hospital
- Emergency Medicine Ultrasound Fellowship: Washington University in St. Louis
- EMS Fellowship: University of Chicago Medicine
Board Certification
- Emergency Medicine
Areas of Expertise
- Pediatric Emergency Medicine
- Emergency Medical Services
- Pediatric Trauma
- Prehospital Pediatric Care
- Transport Medicine
- Point-of-Care Ultrasound
- Pediatric Resuscitation and Cardiac Arrest
- EMS Education, Quality Improvement and System Development
Steve Elmgren - Coordinator, Region 3 Regional Trauma Advisory Committee

Affiliations & Professional Roles
- Region 3 Regional Trauma Advisory Committee Coordinator
- EMS Liaison
- Paramedic
- Firefighter and Fire Service Officer
- Rescue Technician
- Instructor and Special Operations Training Representative
- Burn Educator
Education & Training
- Master’s Degree – Crisis/Emergency/Disaster Management
- Master of Business Administration – Health/Health Care Administration/Management
- Bachelor of Science – Fire Services Administration
- Associate Degree – Fire Science/Fire-fighting
- Texas A&M Engineering Extension Service training
- Paramedic / EMT-Paramedic and Rescue Training
Areas of Expertise
- Emergency Medical Services
- Fire and Rescue Operations
- Trauma Systems and Regional Coordination
- Emergency and Disaster Management
- Healthcare Administration
- Burn Education
- Prehospital Education and Training
- Interdisciplinary and Patient-Focused Collaboration