Medicine contributors

Get to know the subject matter experts who maintain this section.

Dennis C. Baier

Dennis C. Baier, BSN, RN, EMT-P, is the clinical coordinator and a faculty member of Ozarks Technical Community College.

Alan M. Batt

MSc PhD(c) CCP
Alan M. Batt MSc PhD(c) CCP is a College Professor in the Paramedic Programs at Fanshawe College, Adjunct Associate Professor of Paramedic Science at CQUniversity, and a Paramedic Educator at the Centre for Paramedic Education and Research. He also holds an Adjunct Faculty position in the Institute for Health Professionals at Portland Community College.

Sean Boley

Sean Boley, MD, is a second-year emergency medicine resident at Regions Hospital in St Paul, Minn. He graduated medical school from Penn State College of Medicine in 2012.

Todd M. Cage

Todd M. Cage, MEd, NRP, is an instructor of emergency medicine and a practicing paramedic. He has been a certified paramedic since 1997 and an EMT since 1990.

James Dinsch

James Dinsch, MS, NRP, CCEMT-P, is the EMS department chair and program director for Indian River State College in Fort Pierce, Fla.

James Duren

Jim Duren is responsible for overseeing training, education, regulatory and compliance, certification and recertification for all prehospital care providers in the county, as well as EMS online CE program director, BLS QA and cardiac case review.

Christopher Ebright

Christopher Ebright, BEd, NREMT-P, is an EMS education coordinator for the National EMS Academy in Louisiana. He has been providing medical education for 18 years.

Arthur Hsieh

Arthur Hsieh, MS, NREMT-P, is the program director at Santa Rosa Junior College's paramedic program and the editor-in-chief of He has been a nationally registered paramedic since 1985.

Jason Hums

Jason Hums, MPH, BSN, is an assistant professor of paramedic for Southwestern Community College in Chula Vista, Ca.

Frank Killebrew

Frank Killebrew is a paramedic and full-time EMS educator. He is currently the paramedicine technolgy program director at Ogeechee Technical College in Statesboro, Ga.

JoAn Laes

JoAn Laes, MD, is a board-certified internal medicine physician. She works in the addiction medicine department at Hennepin County Medical Center and as a nocturnist at Mercy Hospital.

Ron Lawler

Ron Lawler, BS, NRP, is the director of Sanford Health EMS Education in Fargo, North Dakota and an American Heart Association-certified CPR/first aid, BLS, ACLS and PALS instructor.

Bill Lord

BHlthSc, GDipCBL, MEd, PhD
Bill Lord, BHlthSc, GDipCBL, MEd, PhD, is Associate Professor and discipline lead for Paramedic Science at the University of the Sunshine Coast.

Keith Monosky

Keith Monosky, PhD, MPM, is program director for the EMS paramedicine program and a tenured professor in the department of nutrition, exercise, and health sciences at Central Washington University.

Scott Nelson

Scott Nelson, BS, NRP, is the director of the EMS program at Texas Southmost College in Brownsville, Texas.

David Page

David I. Page, MS, NREMT-P, is director of the Prehospital Care Research Forum at UCLA, a paramedic with Allina Health EMS, and a site visitor for the Committee on Accreditation of EMS Programs.

Richard M. Pearson

Rick Pearson, MBA, NCEE, EMT-P, is full-time faculty at Butler County Community College. He holds an MBA in health systems administration and a BS in general biology with minors in psychology and bioethics.

Sean F. Peck

Sean F. Peck, MEd, EMT-P, is the paramedic program director for WestMed College in Chula Vista, Calif. He is also a fire captain for Federal Fire Department in San Diego.

John Pierce

John Pierce, MBA, NRP, has been practicing prehospital patient care for 22 years. His undergraduate clinical instruction focuses on advanced airway, trauma, adult medical emergencies, and critical care.

Shauna Sullivan

Shauna Sullivan, LCSW, LLC, is a Licensed Clinical Social Worker with more than 10 years experience in the field. She sees individuals and families for outpatient treatment through her private practice in Wilmington, Delaware.

William F. Toon

William F. Toon, EDD, NRP, is the EMS training manager for the Loudoun County (Va.) Fire, Rescue, and Emergency Management. Previously, he was the battalion chief for the Johnson County (Kansas) EMS/MED-ACT and a flight paramedic with LifeNet Air Ambulance Service.

Marin Veldic

Marin Veldic, MD, is the director of the Mood Disorder Clinic, an assistant professor of psychiatry and a senior associate consultant for the Department of Psychiatry & Psychology, Mayo Clinic, Rochester, Minn. He is board certified by the American Board of Psychiatry and Neurology, Examiner in Child Psychiatry/Child & Adolescent Psychiatry and Psychiatry.

Ayanna Walker

Ayanna D. Walker, MD, is a board-certified emergency medicine physician who practices at Osceola Regional Medical Center, a level II trauma center, in Kissimmee, Florida. She is a University of Central Florida College of Medicine instructor of emergency medicine and the Orlando Medical Institute medical director of paramedic education.

Chad Wright

Chad Wright, BS, NRP, is the EMS education program coordinator for Metropolitan Community College in Kansas City, Mo.