Core Faculty

David Castle, DO
David Castle, DO
Program Director

Hometown: Lansing, Michigan
Undergraduate: Michigan State University
Medical School: Michigan State University COM
Residency/Fellowship: Emergency Medicine Residency - Lansing
Random Facts: Enjoys travel, golf, hunting, and fishing


Mary Hughes, DO
Mary Hughes, DO
Research and Osteopathic Program Director

Hometown: Empire, MI
Undergraduate: Ferris State College
Medical School: Michigan State University COM
Residency/Fellowship: Emergency Medicine Residency - Lansing
Research Interests: Various and extensive
Random Fact: Professor - Dept of Internal Medicine COM, MSU


David Betten,  MD
David Betten, MD
Associate Program Director

Hometown: Kalamazoo, MI
Undergraduate: Calvin College, University of Michigan
Medical School: University of Michigan
Residency: Henry Ford Hospital
Fellowship: Toxicology - University of California, San Diego
Research Interests: ED Utilization, Toxicology
Random Facts: Enjoys running and family


Spyros Boukouris, MD
Spyros Boukouris, MD
Ultrasound Director

Mclaren Attending Physician
Hometown: Farmington Hills, MI
Undergraduate: University of Michigan, Ann Arbor
Medical School: Wayne State School of Medicine
Residency: St. John Hospital and Medical Center, Detroit
Fellowship: University of California, Irvine; Ultrasound
Medical Interests: ED Bedside Ultrasound and Critical Care
Random Facts: Active member of the Chudokan Aikido Federation International


John Dery, DO
John Dery, DO
Sparrow Attending Physician

Hometown: Detroit, MI
Undergraduate: Central Michigan University
Medical School: Chicago COM
Residency/Fellowship: Emergency Medicine Residency - Lansing
Awards: 2006 EMRA Resident of the Year
Research Interests: EMS Coordination
Medical Interests: Wilderness Medicine Fellowship


Komasara, Dave, DO
Komasara, Dave, DO
Medical Student Site Director

Mclaren Attending Physician
Hometown: Marshall, MI
Undergraduate: Albion College
Medical School: Midwestern College of Osteopathic Medicine
Residency: Grace Hospital- Detroit, MI
Medical Interests: Ultrasound, Head Injury, Education
Interests: Hockey, Cooking, Wine, Camping


Nancy Weber, DO
Nancy Weber, DO
EM Residency Program Site Director

Mclaren Attending Physician
Hometown: East Lansing, MI
Undergraduate: Indiana University
Medical School: Michigan State University College of Osteopathic Medicine
Residency: Mclaren Greater Lansing (Internal Medicine) Michigan State University- Lansing (Emergency Medicine)
Random Facts: Likes running, Gardening, Reading, and sea kayaking