Our Faculty & Staff

​John BlebeaJohn Blebea, MD, MBA
Chair of Surgery
Program Director

Medical School: Case Western Reserve University, School of Medicine
Residency: New Jersey Medical School, Rutgers University-Newark



Samuel ShaheenSamuel Shaheen, MD, FACS
Executive Director, CMU Medical Education Partners

Medical School: University of Michigan - Ann Arbor
Residency: McGaw Medical Center and Northwestern Memorial Hospital, Northwestern University




Cristina NituicaCristina Nituica, MD
Associate Program Director and Core Faculty

Medical School: Carol Davila University of Medicine and Pharmaceutics
Residency: Hahnemann University Hospital, Drexel University





Faiz TumaFaiz Tuma, MD
Associate Program Director and Core Faculty

Medical School: Al-Nahrain University, College of Medicine
Residency: Memorial University of Newfoundland




Maher GhanemMaher Ghanem, MD
Assistant Program Director and Core Faculty

Medical School: Tishreen University
Residency: Damascus University and Central Michigan University





Elizabeth PaulusElizabeth Paulus, MD
Core Faculty

Medical School: Sanford School of Medicine, University of South Dakota
Residency: Central Michigan University




Timothy HackettTimothy Hackett, MD

Medical School: University of Toledo Medical Center
Residency: The Jewish Hospital of Cincinnati







Whitecoat with CMU Health LogoOveys Mansuri, MD

Medical School: University of Illinois, College of Medicine
Residency: University of Illinois at Chicago and University of California - San Diego





Omar MararOmar Marar, MD

Medical School: Royal College of Surgeons Ireland (RCSI)
Residency: St. Barnabas Medical Center




Chet MorrisonChet Morrison, MD

Medical School: George Washington University School of Medicine and Health Science
Residency: Fitzsimons Army Medical Center / William Beaumont Army Medical Center



Wael SolhWael Solh, MD

Medical School: Tufts University, School of Medicine
Residency: Columbia University, School of Physicians and Surgeons, St. Luke's Rosevelt Hospital



Lisa WintonLiLisa WintonLi, MD

Medical School: Ohio State University College of Medicine
Residency: Maricopa Integrated Health Systems



Yong C. YoonYong C. Yoon, MD, FACS

Medical School: State University of New York College of Medicine at Brooklyn
Residency: St. Luke's-Rosevelt Hospital Center






Elizabeth HerndenElizabeth Hernden, NP
Nurse Practitioner




Laurie MeyerLaurie Meyer, NP
Nurse Practitioner




Rhonda PobanzRhonda Pobanz, NP
Nurse Practitioner




Zachary RetzlerZachary Retzler, PA-C
Physician Assistant






Jaime McKenna, MPAJaime McKenna, MPA
Residency Coordinator

Phone: 989-746-7857
Email: cmedsurgery@cmich.edu