The AMLS Committee

Additional Info


Jeff J. Messerole, EMT-PM

Jeff Messerole is the clinical instructor and American Heart Association (AHA) Training Center coordinator at Spencer Hospital in Northwest Iowa. Messerole brings 36 years of experience as an Army Medic (honorably discharged and decorated), EMT and Paramedic. His other professional memberships and involvement include: Advanced Medical Life Support (AMLS) and Prehospital Trauma Life Support (PHTLS) Affiliate Faculty; contributing author and editor to the AMLS textbook; contributor to the ACLS–EP program; AHA National Volunteer; Iowa/Nebraska Emergency Cardiovascular Care (ECC) Chair; and Basic Life Support (BLS), ACLS and ACLS EP Regional Faculty. He is an instructor or course coordinator for these and many other courses focused on pediatric and geriatric patients, as well as Hazmat, Weapons of Mass Destruction (WMD) and Terrorism, and a frequent speaker at EMS Conferences.

Messerole serves on the Iowa EMS Advisory Council, AHA STEMI Task Force, and the Iowa Quality Assurance Standards and Protocol Committee. Active in NAEMT and the Iowa EMS Association, Messerole also serves as the Northwest Iowa Critical Incident Stress Debriefing (CISD) Team Leader and on the Disaster Medical Assistance Team (DMAT). He is also adjunct faculty for several community colleges and a reviewer and contributor to several publishing companies.


Les R. Becker, Ph.D., MS.MEdL, NRP, CHSE 
Vice Chair

Dr. Les Becker is a Clinical Educator for the Simulation Training & Education Laboratory (SiTEL) of MedStar Health and continues to serve as a freelance EMS educator in the Baltimore-Washington Metropolitan Area. An active EMS provider since the early 1980s, Dr. Becker’s tenure includes service with the Baltimore City Fire Department and the Prince George’s County (Md.) Fire/EMS Department (PGFD) until his retirement in 2005. He continues as a volunteer ALS provider in Calvert County, Md.

In 1998, Dr. Becker completed his Ph.D. in Evaluation and Analytical Techniques at the University of Maryland Baltimore Graduate School and has completed an MS in Medical Education Leadership at the University of New England. Dr. Becker has worked in the injury prevention and substance abuse fields, is the lead author of a cornerstone publication addressing EMS provider ambulance transport injuries and deaths and serves as an editorial board member or reviewer for several peer-reviewed publications.


Vincent Mossesso

Dr. Vincent N. Mosesso, Jr.
Medical Director

Dr. Vincent Mosesso has been the AMLS Medical Director since 2002. He is appointed to this position at the recommendation of the National Association of EMS Physicians (NAEMSP). NAEMSP officially endorses the AMLS program. He began his career as a Paramedic, and now serves as Professor of Emergency Medicine at the University of Pittsburgh School of Medicine, and Medical Director of Prehospital Care at the University of Pittsburgh Medical Center. He serves as Associate Medical Director for Pittsburgh EMS, Director of Prehospital Care Rotation for the UPMC Emergency Medicine Residency, and as an emergency airway physician for the National Football League. He is also a member of the EMS Examination Task Force of the American Board of Emergency Medicine, which developed the inaugural board certification exam for the new subspecialty of EMS Medicine.

Dr. Mosesso is the co-founder and Medical Director of the Sudden Cardiac Arrest Association. His research has focused on prehospital care and sudden cardiac arrest, and the use of automated external defibrillators. He has published numerous scientific manuscripts and textbook chapters, and serves as an editorial board member and reviewer for the journals Resuscitation and Prehospital Emergency Care.


Angus Jameson

Dr. Angus Jameson
Medical Director

Dr. Angus Jameson currently serves as the Medical Director for Pinellas County EMS in Florida where he provides medical direction to nearly 1,700 EMTs and Paramedics across 20 agencies serving a population of approximately one million people. He completed his residency at University of Pittsburgh and his EMS Fellowship at FDNY and is Board Certified in both Emergency Medicine and Emergency Medical Services. 

Dr. Jameson is an Affiliate Assistant Professor at the University of South Florida Morsani College of Medicine.  In addition to his work with Pinellas County EMS, Dr. Jameson continues to practice hospital-based emergency medicine in the community and is active in promoting regional advances in stroke, STEMI, and cardiac arrest care with the American Heart Association. He is a frequent lecturer on prehospital medicine and holds a Masters in Public Health Degree. Dr. Jameson has nearly 20 years of ground and helicopter-based EMS field experience in the states of Florida, New York, North Carolina and Pennsylvania.


Ann Bellows

Ann Bellows, RN, EMT-P, EdD
Committee Member 

Ann Bellows has worked with prehospital education for more than 20 years. She has experience in ICUs and ERs in small rural hospitals and Level I Trauma Centers, with Fixed Wing and Rotor Wing transport, and rural volunteer systems. She serves as Regional Faculty for the American Heart Association. She has been active with NAEMT has served on the NAEMT Board of Directors and chaired NAEMT committees. She has also worked with the Prehospital Trauma Life Support (PHTLS) and the Advanced Medical Life Support (AMLS) Committees.

She has her doctorate in Training and Learning Technologies and a minor in Message Design. Her master’s degree is in Instructional Design and Human Resource Development. She has a special interest in on-line education, instructor development, and simulation. She has been a contributing author for many EMS textbooks, educational tools, and test banks. Bellows currently serves as an Adjunct Faculty Member for the University of New Mexico EMS Academy, a consultant for the Trauma Center Association of America, and volunteers with the Organ Volunteer Fire Department. Her passion is in developing quality EMS providers and educators.


Leslie Hernandez, MAEd, FP-C
Committee Member

Leslie Hernandez has been a paramedic since 1983. She worked for Kendall County EMS and Bulverde Spring Branch EMS - rural 911 providers in the capacity of paramedic, education director and assistant administrator. She currently serves as division director of Community Education at the University of Texas Health Science Center in San Antonio, Texas, and oversees the paramedic and critical care flight medic program for the U.S. Army.

Hernandez received her Master's degree with a focus on adult education and training from University of Phoenix and is currently working on her EdD in adult education. She serves as the American Health Heart Association Training Center Coordinator. Hernandez speaks at state and national EMS conferences on multiple topics, including blended learning environments for today's EMS professional.