USU LEAD Faculty and Staff

Rutgers College
New Jersey School of Osteopathic Medicine
Army War College

Dr. Chuck Callahan is the Vice President of Population Health at the University of Maryland Medical Center. He is a retired Army colonel and physician executive with more than thirty years of experience who has served in a range of hospital leadership positions from PICU service chief to hospital chief medical officer, chief operating officer and chief executive officer. After retirement he worked as a Professor of Pediatrics at the F. Edward Hébert School of Medicine of the Uniformed Services University, Bethesda Maryland. He holds a primary appointment in the Department of Pediatrics and a secondary appointment as Professor of Military and Emergency Medicine. In 2014 he volunteered to care for patients in an Ebola Treatment Unit in Sierra Leone during the height of the epidemic in West Africa. In the fall of 2015 he transitioned to his position at the University of Maryland Medical Center in Baltimore, supporting the medical center’s efforts to improve the health and well-being of the people of West Baltimore.
Dr. Callahan is board certified in pediatrics and pediatric pulmonology. He has received numerous teaching awards and has lectured broadly on leadership and “the culture of excellence” in medicine. He is the author of more than one hundred abstracts, articles, books and book chapters on leadership and medicine, and has been awarded more than two million dollars in research grants in asthma, telemedicine and population health.

B.S., Medical Microbiology, Stanford University (1975)
M.A. (1977), M.Phil. (1979), and Ph.D. (1980) degrees in Physiological and Social Psychology, Columbia University
Doctoral training in Pharmacology, Columbia University’s College of Physicians & Surgeons under a National Research Service Award (1976-79).

Neil E. Grunberg, Ph.D., is Professor of Military & Emergency Medicine (MEM), Medical & Clinical Psychology (MPS), and Neuroscience (NES) in the Uniformed Services University (USU) School of Medicine (SOM); Professor in the Graduate School of Nursing (GSN); Director of Research and Development in the USU Leadership Education and Development (LEAD) program; and Director of Faculty Development for MEM. He is a medical and social psychologist who has been on faculty at USU since 1979. His role in LEAD is to ensure that the LEAD program and sessions are based upon sound evidence and scholarship and to oversee research relevant to leadership education and training (see www.usuhs.edu/usulead).

Dr. Grunberg earned baccalaureate degrees in Medical Microbiology and Psychology from Stanford University (1975); earned M.A. (1977), M.Phil. (1979), and Ph.D. (1980) degrees in Physiological and Social Psychology from Columbia University; and received doctoral training in Pharmacology at Columbia University’s College of Physicians & Surgeons under a National Research Service Award (NRSA, 1976-79). Dr. Grunberg helps train physicians, psychologists, and nurses to serve in the Armed Forces or Public Health Service, and scientists for research positions. He has published >180 papers addressing behavioral medicine, stress, and leadership. Dr. Grunberg has received awards from the U.S. Surgeon General, CDC, FDA, American Psychological Association, NIH, Society of Behavioral Medicine, and USU. He has served as President of the USU Faculty Senate and has chaired USU committees including: Strategic Planning; Manpower; Health, Safety, and Wellness; Appointment, Promotions, and Tenure. Outside USU, he has chaired Working Groups for the MacArthur Foundation and Robert Wood Johnson Foundation. In 2015, Dr. Grunberg was selected as a Presidential Leadership Scholar (PLS).

Dr. Grunberg and his research group (see www.usuhs.edu/faculty/grunberg) study leadership, stress (psychological and physical, including mTBI and PTSD), and appetitive behaviors (including nicotine, alcohol, caffeine, and food consumption). His teaching includes topics in leadership, social psychology, psychobiology, behavioral neuroscience, and sports psychology.

Dr. Grunberg has supervised 35 doctoral dissertations in Medical Psychology, Clinical Psychology, and Neuroscience, and has served on many master and doctoral degree committees. He currently is training a Clinical Psychology Ph.D. student and a GSN Ph.D. student. In addition, he mentors faculty members in MEM in his role as MEM Director of Faculty Development.

1994-98 BS, Biology, Duquesne University, Pittsburgh, PA
1998-2002 MD, Uniformed Services University of the Health Sciences, Bethesda, MD
2002-05 Internal Medicine Residency, Walter Reed Army Medical Center
2006-09 Infectious Disease Fellow, Walter Reed Army Medical Center

Lieutenant Colonel Joshua D. Hartzell, MD currently serves as the Assistant Dean for Faculty Development and Director of Internal Medicine Selectives at the Uniformed Services University. His previous roles included being the Associate Program Director for the Internal Medicine Residency, Assistant Chief of Graduate Medical Education (GME), and Army Intern Director at Walter Reed National Military Medical Center (WRNMMC). He is a board certified Internist and Infectious Diseases Physician.

Dr. Hartzell has a variety of research and scholarly interests. He has conducted research on infectious diseases to include pertussis, multidrug resistant organisms, leishmaniasis and Q fever. He was the lead author for the Armed Forces Practice Guidelines for the Management of Q fever and was a member of the Centers for Disease Control and Prevention working group on Q fever that published similar recommendations. Dr. Hartzell’s primary interests, however, are medical education, mentoring, and leadership development. In particular, Dr. Hartzell has an interest in developing the leadership and teaching skills of residents. Dr. Hartzell attended the Stanford Faculty Development Clinical Teaching Course in October 2013 and has avidly been conducting faculty development since that time. Dr. Hartzell developed an Army wide leadership curriculum for Graduate Medical Education Trainees that will begin in July 2017.

Years Program/Degree Institution
2011-2012 Emergency Ultrasound Fellowship Denver Health Medical Center
Denver, CO
2006-2009 Emergency Medicine Residency Naval Medical Center San Diego
San Diego, CA
2002-2003 Transitional Internship Naval Medical Center San Diego
San Diego, CA
1998-2002 Doctor of Medicine Northwestern University
Chicago, IL
1998-2002 Master of Public Health Northwestern University
Chicago, IL
1994-1998 Bachelor of Arts (Cum Laude) Northwestern University
Evanston, IL

CDR Hurst was born in Wausau, WI and accepted an ROTC scholarship to Northwestern University. She graduated in 1998 Cum Laude with a Bachelor of Arts degree in Biochemistry. She went on to earn a Masters of Public Health degree and a Doctor of Medicine degree from Northwestern University in 2002.
After finishing a Transitional Internship at Naval Medical Center San Diego (NMCSD) in 2003, CDR Hurst worked as a General Medical Officer in the Emergency Department before starting flight school in Pensacola, FL. She earned her wings of gold and completed a 2-year flight surgery tour at Naval Support Activity Souda Bay, Crete, Greece.
From 2006-2009, CDR Hurst returned to NMCSD to complete her residency in Emergency Medicine. She served as Academic Chief Resident in her final year of training. Following a short period serving as core academic staff physician at NMCSD, she deployed with 1st Medical Battalion to Helmand Provence, Afghanistan in 2010 and worked as an Emergency Physician with a Shock Trauma Platoon.
Upon return, CDR Hurst continued to serve as core academic faculty for the Emergency Medicine Residency Training Program. She completed a 1-year full time out service Emergency Ultrasound Fellowship at Denver Health Medical Center in 2012. Afterwards, she returned to NMCSD as Director of Emergency Ultrasound and established a comprehensive point-of-care ultrasound training program for the Emergency Medicine Residency and Physician Assistant Training Programs. She also developed an annual regional point-of-care ultrasound course and created a deployment ultrasound training curriculum for General Medical Officers in the fleet and deploying personnel.
From 2013-2015, CDR Hurst served as Senior Medical Officer for the Director of Medical Services and developed a web-based Morbidity and Mortality database and worked with Department Heads to greatly improve departmental review and learning from such cases. In 2015, she became Associate Program Director for the emergency Medicine Residency. She has published numerous papers in peer reviewed journals and multiple book chapters and lectures regularly at the national and regional level.
CDR Hurst’s personal decorations include the Navy & Marine Corps Commendation Medal with gold star and the Navy & Marine Corps Achievement Medal with gold star. She is authorized to wear the Fleet Marine Force and Naval Flight Surgeon Warfare Devices. She is an Associate Professor of Military and Emergency Medicine at Uniformed Services University.

BA Psychology from UMass Amherst 2011

Hannah G. Kleber, BA is USU LEAD Education Specialist. She has worked in education for four years at the high school level culminating in Assistant Dean. Her role in LEAD is to assist in curriculum development and teaching design, and to explore new and innovative ways to deliver content to students.

Ms. Kleber is a graduate of University of Massachusetts Amherst with a BA in psychology and a minor is sociology (2011). She worked in a boarding school in Connecticut as the Athletic and Program Development Coordinator for two years before becoming Assistant Dean. She also taught religion and wellness classes, coached and was a faculty advisor for leadership groups. She has an interest in “distance learning” projects and is looking to expand the library of LEAD to include “flipped classrooms” to better teach the current generation of technology-driven students.

Ph.D., University of Massachusetts

Dr. Lauren Mackenzie is Professor of Military Cross-Cultural Competence at the Center for Advanced Operational Culture Learning (CAOCL), Marine Corps University. She conducts research relating to cross-cultural competence, oversees culture-related curriculum development and outcomes assessment, and delivers communication and culture lectures across the Professional Military Education spectrum. From 2009-2014, Dr. Mackenzie served as Associate Professor of Cross-Cultural Communication at the U. S. Air Force Culture and Language Center where she taught resident electives at the Air Command & Staff College and designed and delivered the “Introduction to Cross-Cultural Communication” on-line course, completed by over 1,000 Airmen annually. She received her M.A. and Ph.D. in Communication from the University of Massachusetts and has taught intercultural competence courses throughout the Department of Defense over the past eight years. Prior to working for the Department of Defense, she taught a variety of intercultural and interpersonal communication courses at the University of Massachusetts, the State University of New York Potsdam, and Columbus State University, among others. Dr. Mackenzie's most recent publications are devoted to best practices in military on-line culture learning and assessment, with forthcoming entries in the "International Encyclopedia of Intercultural Communication" and the "Handbook of Communication Training". She is also the co-author with Dr. Kerry Fosher of the 2017 "Culture General Guidebook for Military Professionals". She lives in Fredericksburg, VA, with her husband and two sons.

1987 - 1989 Fellow, Pulmonary Disease and Critical Care Medicine
Walter Reed Army Medical Center, Washington, DC

1980 - 1983 Intern and Resident, Department of Internal Medicine
USAF Medical Center Keesler, Keesler AFB, Mississippi

1980 Doctor of Medicine
Jefferson Medical College
Philadelphia, Pennsylvania

1978 Bachelor of Science
The Pennsylvania State University
State College, Pennsylvania

Dr. McManigle is a native of Emporium, Pennsylvania and graduated from Cameron County High School, The Pennsylvania State University, and Jefferson Medical College prior to entering the United States Air Force Medical Corps in 1980. Dr. McManigle completed Internal Medicine training at USAF Medical Center Keesler, Keesler AFB, Mississippi and was selected to serve as Chief of Residents. Following his year as Chief of Residents, Dr. McManigle was assigned to RAF Lakenheath, United Kingdom as a Staff Internist. While at Lakenheath, Dr. McManigle also served as Director, Cardiopulmonary Services; Chief, Allergy Immunization Clinic; and Primary Member of the Air Transportable Hospital. Dr. McManigle then pursued further specialty training in Pulmonary and Critical Care Medicine at Walter Reed Army Medical Center. Dr. McManigle later served as Chair, Department of Internal Medicine, Malcolm Grow Medical Center, Andrews Air Force Base, Maryland.

While at Walter Reed Army Medical Center as a Pulmonary and Critical Care Medicine Fellow, Dr. McManigle’s association with the Uniformed Services University of the Health Sciences began. Dr. McManigle has served a variety of roles at USU, to include faculty member, course director, Assistant Dean of Clinical Sciences, Deputy Dean, and Acting Dean. In addition, he has served on numerous high level committees including Admissions, Executive Curriculum, Student Promotion, Graduate Education, Middle States, and LCME Executive Committees. Currently, Dr. McManigle, partnering with colleagues Dr. Eric Schoomaker and Dr. Neil Grunberg, is focused on developing the F. Edward Hébert School of Medicine Leadership Education and Development (LEAD) Program.

In January 2007, the Air Force designated Dr. McManigle a Clinical / Academic Grand Master in recognition for his outstanding career accomplishments in academic and clinical medicine. The USU SOM Class of 2007 named Dr. McManigle as recipient of the William P. Clements Award for Excellence in Education. In addition, in 2009 the American College of Physicians named Dr. McManigle a Laureate of the American College of Physicians.

EDUCATION

1999-2000 U.S. Army War College, Carlisle Barracks, PA
Degree: Masters in Strategic Studies

1978-1979 Fellow in Hematology/Oncology (PGY3); Hematology/Oncology Division, Duke University Medical Center, Durham, NC

1977-1978 Junior Assistant Resident in Medicine (PGY2); Duke University Medical Center, Durham, NC

1976-1977 Intern in Medicine (PGY1); Duke University Medical Center, Durham, NC

1975-1979 University of Michigan Rackham School of Graduate Studies, Ann Arbor, MI
Degree: Ph.D. (Human Genetics)

1971-1975 University of Michigan Medical School, Ann Arbor, MI
Degree: M.D. (With Honors)

1966-1970 University of Michigan, Ann Arbor, MI
Degree: B.S. (Zoology-Anthropology)

Eric B. Schoomaker, MD, PhD
Lieutenant General, U.S. Army (Retired)
Professor and Vice-Chair for Leadership, Centers & Programs
Department of Military and Emergency Medicine, F. Edward Hebert School of Medicine
Uniformed Services University of the Health Sciences, Bethesda, MD
Former U.S. Army Surgeon General and
Commanding General of the U.S. Army Medical Command

Prior to his retirement after 32 years of active service, Lieutenant General (Retired) Eric B.
Schoomaker, MD, PhD served as the 42nd U.S. Army Surgeon General & Commanding General of the
U.S. Army Medical Command. He committed his career to meeting the health needs of soldiers, their
families and veterans throughout the U.S., Europe and the Pacific, focusing on soldier medical readiness,
enhancing battlefield care, establishing comprehensive behavioral healthcare, fostering a culture of trust,
advancing comprehensive pain management, and promoting health by preventing combat wounds, injury
and illness.
He is a Professor and Vice-Chair for Leadership, Centers and Programs in the Department of
Military & Emergency Medicine, F. Edward Hebert School of Medicine at the nation’s only Federal health
university, the Uniformed Services University of the Health Sciences (USU) in Bethesda, MD. His
principal interests are in both Complementary and Integrative Health & Medicine (CIHM) in the shift from
a disease management-focused healthcare system to one more centered on the improvement and
sustainment of health & well-being leading to optimal human performance. He promotes CIHM education
and training for physicians and other health professionals, especially as they contribute to the
management of acute and chronic pain. Doctor Schoomaker is also exploring the central importance of
leadership education and training for health professionals, so as to realize USU’s vision as the nation’s
“health leadership academy”.

​BA, Indiana University of Pennsylvania, Criminology and Psychology
MS, Uniformed Services University, Bethesda, Md, Medical Psychology
PhD, Uniformed Services University, Bethesda, Md, Medical Psychology

Angela Yarnell is a Distinguished Military Graduate of Indiana University of Pennsylvania, which she attended on a four-year Reserve Officer Training Corps (ROTC) Scholarship and earned her bachelor's degree in Criminology and Psychology in 2005. After college, she commissioned as a 2nd Lieutenant in the Army's Medical Service Corps and served as a medical treatment platoon leader, medical supply officer, and a company executive officer. She was assigned to the 2d Stryker Cavalry Regiment, stationed at Ft Lewis, WA and Rose Barracks, Germany, and served for 15 months in Iraq. Angela's military awards include the Bronze Star Medal for service in Iraq; two Army Commendation Medals; and two Army Achievement Medals. MAJ Yarnell received her Master’s (2012) and PhD (2013) in Medical Psychology from the Uniformed Services University of the Health Sciences (USU), Bethesda, MD. MAJ Yarnell is an Army Research Psychologist who recently completed a tour as the Deputy Branch Chief of Behavioral Biology and Chief of the Sleep Research Center in the Center for Military Psychology and Neuroscience Research at the Walter Reed Army Institute of Research in Silver Spring, MD. Her research emphasis is psychophysiology and she has investigated the topics of stress and resilience, especially sex differences in stress responses, concussion, effects of repetitive blast exposure, and sleep and performance in the military.

Dr. Yarnell is currently an Assistant Professor in the Behavioral Science and Leadership Department at the United States Military Academy at West Point, NY where she teaches Psychology for Leaders to cadets.

Angela and her family spend their free time doing family and church activities.