About

Emergency physician, medical director, published author.

Michael Guirguis, MD is a protective medicine physician. He received his degree from Harvard Medical School and is board certified in emergency medicine. He has been practicing medicine for over 20 years, across EMS, tactical medicine, flight medicine and prehospital care. He is also a sworn reserve sheriff deputy in Southern California, spending the majority of his time in Sheriff Air Rescue Division, Dive Team.
That work has run in parallel across several settings. Level 1 trauma centers and community emergency departments. A county sheriff air rescue helicopter and dive team. A 911 dispatch center, a county EMS advisory committee, a federal disaster medical assistance team, a NASCAR track and a professional hockey rink.
In 2020 he formed Raven Medical Support Group, which provides physician-led medical direction, governance oversight, and integrated medical support for executive protection teams, private security operations, and family offices operating in complex or high-risk environments. He also writes for the security and medical press, with peer-reviewed papers in Prehospital and Disaster Medicine and the Journal of Travel Medicine and more than twenty industry articles, and teaches Stop the Bleed as a certified instructor.
Michael Guirguis, MD in flight gear beside a sheriff air rescue helicopter

Education & training

UCLA — Bachelor of Science, Psychobiology, B.S.
Harvard Medical School — Doctorate of Medicine, M.D.
Orange County Sheriff Department — Reserve Sheriff Academy, Reserve Deputy
Loma Linda University Medical Center — Emergency Medicine Residency

Clinical medicine

2003–Present

Emergency Medicine Physician

Emergency Room Physician
Providing emergency medical care in Level 1 trauma centers and community hospitals.
2005–Present

NASCAR/IRL Track Physician

Track Physician
Provide medical support for AutoClub Speedway events such as NASCAR and IRL races and other AutoClub Speedway racing events.
2012–2017

Ontario Reign Professional Hockey Team, LA Kings Affiliate

Team Physician
Provided medical support to professional hockey team players and personnel on and off the ice.

Public safety, prehospital & disaster response

2003–2022

San Bernardino Sheriff Air Rescue & Dive Team

Reserve Deputy & Flight Physician
Provided medical care as flight physician, including technical and hoist rescues, scene calls, off-site landings, and medical transports to local trauma and specialty hospitals.
2002–Present

San Bernardino Sheriff Aero Squadron

Reserve Deputy & Pilot
A licensed FAA private pilot providing fixed-wing aviation support to San Bernardino Sheriff's Department and Dive Team.
2010–2020

San Bernardino County Medical/Fire 911 Dispatch Center

Medical Dispatch Medical Director
Implemented the International Academies of Emergency Dispatch Medical Priority Dispatch System.
2003–2022

US Dept. of Health & Human Services DMAT CA-2

Medical Officer
Provided medical support on special planned missions and disaster relief efforts CONUS & OCONUS.
2012–2022

ICEMA

Medical Advisory Committee, Medical Advisor
Provided prehospital and hospital expertise to the committee overseeing EMS services in San Bernardino County.

Protective medicine & security

2020–Present

Raven Medical Support Group

Founder & Chief Medical Officer
Medical direction and medical control for private family offices and corporate executive protection programs performing domestic and international duties, plus medical consulting for corporate security EP teams.
2025–Present

Chipotle Mexican Grill

Medical Director, Global Security & Resilience
Supporting the global security and resilience team, providing medical support and oversight for those professionals who support over 3,700 restaurants and 130,000 people worldwide.
2023–Present

XPJ Global

Chief Medical Officer
XPJ is a group of elite Pararescuemen (PJ's) who provide medical support to private and corporate executive protection teams.
2023–Present

Patriot Group / Crisis24

Executive Protection & Security Agent
Operational EP agent embedded with global security and crisis management operations.
2020–Present

Private Family Office, Silicon Valley, CA

Executive Protection Medical Director
Oversee the private family office executive protection medical program, providing medical direction, medical oversight, and medical training of all security personnel.
2026–Present

Grid Down Consulting

Chief Medical Officer
Medical planning and oversight for continuity of operations in austere and infrastructure-degraded environments.
2026–Present

Rally Point Ventures

Medical Advisor
Clinical guidance on medical technology and service investments in the security and preparedness sector.

Board certification & licensure

Diplomate, American Board of Emergency Medicine — 2007
Fellow, American College of Emergency Physicians (FACEP) — 2009
Medical licensure — California (2004), Nevada (2023), Florida (2023), Ohio (2025)
DEA registration — 2004
California BSIS Security Guard Card · Nevada PILB Security Guard Card
California P.O.S.T. Level III Reserve Academy, Reserve Deputy Sheriff
FAA licensed private pilot

Affiliations

American College of Emergency Physicians (ACEP)
National Association of EMS Physicians (NAEMSP)
California Medical Association
ASIS International
California State Firefighters' Association, EMS Committee

Languages

English — native
Spanish — conversational
Arabic — conversational

Academic & scientific research

San Bernardino Sheriff Air Rescue — trauma patient outcomes
USC Emergency Department — trauma patient outcomes
Brigham & Women's Emergency Department — teen suicide research
UCLA Psychology Department — learning and rat models
Harbor-UCLA REI Student Medical Fellowship — vasodilators

Certifications & advanced training

Basic Life Support (BLS)
Advanced Cardiac Life Support (ACLS)
Advanced Traumatic Life Support (ATLS)
Advanced Pediatric Life Support (APLS)
Provider/Instructor: Stop the Bleed
NIMS Incident Command System Certifications: 100, 200, 700, 800
International School of Tactical Medicine — Modules A and B
Medical Management of CBRNE Events, PER 211
Medical Preparedness and Response to Bombing Incidents, MGT 348
Pediatric Disaster Response and Emergency Preparedness, MGT 439
Terrorism Awareness for Emergency Responders, AWR 160
Terrorism Liaison Officer (TLO), Joint Regional Intelligence Center