Emergency Medicine Residency

Our Faculty

Faculty photo 2018

Core Faculty

  • Stephen Grider, DO
  • Interim Department Chair

  • Professional Interests:
     Incorporation of information technology into clinical practice, end of life care, process improvement, productivity
  • Residency: Pontiac Osteopathic Hospital, Pontiac, MI


Dr. Moussa
    • Mohamad Moussa, MD, RDMS
    • Program Director
    • Professional Interests: My interest is teaching emergency medicine, bedside ultrasound, and future resident planning.
    • About: I am a native of Toledo. My passions are my family and snowboarding.
    • Medical Degree: University of Toledo College of Medicine
    • Residency: Henry Ford Hospital, Detroit, MI
Dr. Aouthmany
  • Shaza Aouthmany, MD
  • Associate Program Director, Clerkship Director
    • Professional Interests: Simulation and international medicine.
    • Personal Interests: DIY projects, traveling, photography, ceramics.
    • Medical Degree: University of Toledo College of Medicine
    • Residency: University of Toledo
Dr. Pollock
  • Justin Pollock, MD
  • Ultrasound Director 
  • Professional Interests: I have an interest in ultrasound (obviously). I am also interested in helping residents become great clinicians while preserving their empathy and humanity
  • Medical Degree: Wright State University School of Medicine
  • Residency: St. Vincent's Hospital 
  • Kristopher Brickman, MD, FACEP
  • Senior Associate Dean for Innovation
  • Director of Global Health
  • Professional Interests: Intraosseous infusion, Pediatric resuscitation, Pain management, Wound care/management, Disaster management
  • Medical Degree: Wright State
  • Residency: St. Vincent's/Toledo Hospital


  • Michael Guinness, MD FACEP FRCP(C)

  • Medical Degree: University of Toronto, Toronto, Canada
  • Family Medicine Residency: University of Toronto
  • Emergency Medicine Residency: St. Vincent's/Toledo Hospital
  • About: Striving over two generations for simultaneous excellence in patient care and medical education. Family and fitness are essential modifiers in this enduring pursuit.
  • Geoffrey Mitchell, MD, JD
  • Professional Interests: Interface between law and medicine, emergency critical care, asthma, procedural skills, international emergency medicine. Also the sustainability, funding, and governance of emergency care.
  • Medical Degree: Medical College of Ohio
  • Law Degree: Capital University Law School
  • Residency: Riverside Methodist Hospital, Columbus, OH
  • Joseph Ryno, DO
  • Professional interests: Clinical Simulation in Emergency Medicine. Coaching students and residents on how to apply the information they know to become excellent physicians.
  • Personal interests: Amateur radio, archery, flying, masters swimming, and coaching springboard diving.
  • Medical Degree: College of Osteopathic Medicine and Surgery, Des Moines
  • Residency: Parkview Osteopathic Hospital, Toledo
  • Allen Williams, MD
  • Medical Degree: Wayne State University School of Medicine
  • Residency: Mount Carmel Mercy Hospital, Detroit, MI
Last Updated: 4/19/19