Meet the members of the Center for Disaster Medicine (CDM) team at Massachusetts General Hospital.

CDM Leadership

Paul Biddinger, MD, FACEP: Program Director, Center for Disaster Medicine; Chief Preparedness & Continuity Officer, Mass General Brigham

Paul BiddingerDr. Paul Biddinger is the Chief Preparedness and Continuity Officer at Mass General Brigham in Boston. He holds the Ann L. Prestipino MPH Endowed Chair in Emergency Preparedness and is also the Director of the Center for Disaster Medicine at Massachusetts General Hospital (MGH). Dr. Biddinger additionally serves as the Director of the Emergency Preparedness Research, Evaluation and Practice (EPREP) Program at the Harvard T. H. Chan School of Public Health and holds appointments at Harvard Medical School and at the Chan School. Dr. Biddinger serves as a medical officer for the MA-1 Disaster Medical Assistance Team (DMAT) in the National Disaster Medical System (NDMS) in the US Department of Health and Human Services (HHS). 

Dr. Biddinger is an active researcher in the field of emergency preparedness and has lectured nationally and internationally on topics of preparedness and disaster medicine. He has authored numerous articles and book chapters on multiple topics related to disaster medicine and emergency medical operations and has responded to numerous prior disaster events, including Hurricane Katrina, Superstorm Sandy, the Boston Marathon bombings, the Nepal earthquakes, and many others. 

He completed his undergraduate study in international relations at Princeton University, attended medical school at Vanderbilt University, and completed residency training in emergency medicine at Harvard.

David J. Reisman, MHA, FACHE: Associate Director, Center for Disaster Medicine; Vice President for Emergency Preparedness and Business Continuity, Mass General Brigham

David J. ReismanDavid Reisman is the Vice President for Emergency Preparedness and Business Continuity at Mass General Brigham and the Associate Director of the Center for Disaster Medicine at Massachusetts General Hospital. In this role he leads the program that oversees strategy, operations and management of efforts to ensure that Mass General Brigham is prepared to respond to emergencies and protect patients, staff and the system’s health care facilities. David holds a bachelor’s degree in business administration from the University of Massachusetts at Amherst, a master’s degree in health care administration from The Ohio State University and is a Fellow of the American College of Healthcare Executives.

Joshua Baugh, MD, MPP, MHCM: Medical Director for Hospital Emergency Preparedness; Director of Clinical Operations, Department of Emergency Medicine

Joshua BaughDr. Josh Baugh is the Medical Director for Emergency Preparedness at Massachusetts General Hospital. He is also the Director of Clinical Operations for the Department of Emergency Medicine at MGH. Additionally, he serves as the Associate Director for the Mass General Brigham Disaster Medicine and Emergency Department Administrative Fellowships, both of which he completed himself. Dr. Baugh earned his medical degree at Harvard Medical School concurrently with a Masters in Public Policy at the Harvard Kennedy School, and later a Masters in Healthcare Management at the Harvard T.H. Chan School of Public Health. He completed his residency at the UCLA Ronald Reagan Olive-View Emergency Medicine Residency Program. Dr. Baugh is an active researcher in the fields of emergency preparedness and emergency department operations, particularly in relation to staff experience and its impact on clinical care. He has authored a number of articles and given regional and national lectures on these topics.

Eileen F. Searle, PhD, RN, CCRN: Director, Funded Projects

Eileen F. SearleEileen Searle is the Director of Funded Projects within the Center for Disaster Medicine. In this role she serves as the Biothreats Program Director, overseeing development and implementation of MGH’s hospital-wide special pathogens program and status as the Region 1 Emerging Special Pathogens Treatment Center (RESPTC), and as the Executive Director of the Region 1- Regional Disaster Health Response System. During the COVID response, Dr. Searle led the Mass General Brigham system-wide PPE Taskforce. She is a registered nurse with extensive experience caring for critically ill adult patients in acute care and community settings. Dr. Searle is a Supervisory Clinical Nurse for the MA-1 Disaster Medical Assistance Team (DMAT) and has responded to multiple disasters. She received her BS, MS, and PhD in Nursing from Boston College and a Master of Public Health degree from Boston University.

Jennifer Andonian Shearer, MPH: Director, Emergency Preparedness

Jennifer Andonian ShearerJennifer Shearer is the Director of Emergency Preparedness at Massachusetts General Hospital in Boston. She manages and implements the institution’s emergency preparedness and response program to establish and maintain resilience to a variety of emergency situations while ensuring the continuation of safety for the hospital’s patients, staff, visitors, and facilities. Jennifer earned a bachelor of science degree in Human Biology from Michigan State University and a master of public health in Hospital and Molecular Epidemiology from the University of Michigan.

CDM Staff (Listed Alphabetically)

Christine A. Amore: Program Coordinator

Christine A. AmoreChristine Amore provides administrative support for the Center for Disaster Medicine’s Director and staff. She serves as the primary contact for external offices and assists on special projects. She provides logistical support for meetings, conferences, and workshops.

Ms. Amore previously served for three and a half years as Staff Assistant to Massachusetts General Hospital’s Department of Emergency Medicine physicians. She has extensive business experience having owned her own company for 26 years.


Logan Denson, MPA: Program Manager, Emergency Preparedness

Logan DensonLogan Denson is a Program Manager for Emergency Preparedness for Massachusetts General Hospital. Additionally, he serves as social media and website coordinator for the Center for Disaster Medicine. Logan completed his undergraduate degree in History and Political Science at the University of West Alabama and holds a master’s degree in Public Administration from The University of Alabama. Prior to joining CDM, Logan worked in local government administration and emergency preparedness in the Southern United States.


Regine Joseph: Equipment Project Coordinator

Regine Joseph

Regine Joseph serves as the Equipment Project Coordinator within the Center for Disaster Medicine. In this position, Regine assists CDM programs to ensure that training and response equipment is maintained and has operational readiness. Regine received a Bachelor's of Criminal Justice and a minor in Philosophy of Law in May 2021 from the University of Massachusetts Boston. She is currently attending John Jay College of Criminal Justice and is pursuing a Master's of Science Degree in Emergency Management.


Robert M. Krupa, MS: Senior Program Manager, Emergency Preparedness

Robert M. KrupaRobert Krupa serves as the Senior Program Manager for Emergency Preparedness within the Center for Disaster Medicine. He is active in a variety of projects related to emergency preparedness at the hospital, local, state, and regional levels. Robert completed his undergraduate degree at the Massachusetts Maritime Academy and holds a master’s degree in Healthcare Emergency Management from the Boston University School of Medicine. He maintains certification as an Emergency Medical Technician.

Stefanie Lane, MPH, MS: Biothreats Program Manager

Stefanie LaneStefanie Lane serves as the Biothreats Program Manager within the MGH Center for Disaster Medicine. In this role, facilitates exercise and training activities related to the MGH Biothreats Response Team. Stefanie also works with the MGH Hazmat Response Team and assists with development of planning, training and exercise activities. Stefanie has an extensive background in education has designed and facilitated a wide variety of training courses. She has 14 years of experience as an Emergency Medical Technician, where she has served as a training coordinator and board member for ambulance services in Vermont. Stefanie completed her undergraduate degree in Biology at the University of Vermont, and holds Masters degrees in Environmental Science from Johns Hopkins University and Public Health from Harvard University.

Jack Leeber, MSEM: RDHRS Project Manager

Jack LeeberJack Leeber is a Project Manager for the Region 1 Regional Disaster Health Response System within the Center for Disaster Medicine. Most recently, Jack received a Master of Science in Emergency Management degree from Massachusetts Maritime Academy. He previously earned a Bachelor of Science in Public Health degree with a focus in program planning and implementation from the University of Massachusetts at Lowell. Jack’s primary focus is the development of a regional no-notice disaster telehealth system as well as the promotion of stakeholder engagement. Prior to joining the Center for Disaster Medicine, Jack has held several positions in healthcare including clinical patient care roles and supporting work in environmental health and safety/emergency preparedness. Jack maintains his Emergency Medical Technician and Outdoor Emergency Care certifications and is an active member of the National Ski Patrol.


Julio Ma Shum: Program Manager

Julio Ma Shum

Julio Ma Shum serves as a Program Manager with the Center for Disaster Medicine to focus on improving infection prevention and control practices in Emergency Departments. He completed his undergraduate degree in Cell and Molecular Biology at Brown University. Prior to joining the Center for Disaster Medicine, Julio held several positions in the healthcare setting to make healthcare more accessible and equitable at the hospital, local, state, and regional levels.


Jacquelyn M. Nally, BSN, MA, RN, NHDP, BC: Senior Program Manager

Jacquelyn M. NallyJacquelyn Nally is the Senior Program Manager within the Center for Disaster Medicine. Ms. Nally has extensive experience as a nurse in emergency medicine, international and domestic disaster response, and healthcare emergency management. Ms. Nally is responsible for the development, coordination and maintenance of the hospital-wide all-hazards HazMat response capability at MGH, including updating and publishing the annual HazMat Emergency Preparedness Plan and planning and execution of hospital-wide Hazmat drills and exercises. She also serves as part of the leadership team for the hospital’s Biocontainment Unit (BCU) Response Protocol. As part of the newly establish Massachusetts/Region 1 Partnership for Regional Disaster Health Response, Ms. Nally serves as the Disaster Medical Teams, Specialty capabilities working to coordinate with internal and external task forces, committees, and agencies regarding emergency preparedness at the local, state, regional, and federal levels. In addition to her MGH responsibilities, Ms. Nally also serves as the Operations Section Chief for the MA-1 Disaster Medical Assistance Team (DMAT) in the National Disaster Medical System (NDMS) in the US Department of Health and Human Services (HHS) and has responded to over 30 national and international disasters in the past 29 years.

Aileen Patel, MS, RN, CCRN: Biothreats Project Manager

Aileen PatelAileen Patel is a Project Manager for the Biothreats program within the Center for Disaster Medicine. In this role, she supports the hospital’s capabilities as the Regional Emerging Special Pathogens Treatment Center with an emphasis on internal and external training and preparedness activities. Aileen is a Registered Nurse and has worked in critical care for most of her 15-year nursing career, with over 11 years of experience in the Medical Intensive Care Unit at MGH – caring for some of the most vulnerable and critically ill adult patients. A member of the MGH Biothreats Response Team since its inception, Aileen has filled a variety of roles in the program – including Biothreats Resource Nurse – prior to joining the CDM team. She received her BS from Boston University, BSN from Simmons College, and her MS from University of Michigan.


Subject Matter Experts

Erica S. Shenoy, MD, PhD

Erica S. Shenoy

Dr. Shenoy is Associate Chief of the Infection Control Unit at the Massachusetts General Hospital and an Associate Professor at Harvard Medical School. She is an infectious diseases physician on staff at Mass General and is board certified in infectious diseases and internal medicine. She is additionally trained as a health economist. Dr. Shenoy is a principal investigator on several grants and leads an active research team evaluating the clinical, operational and economic impact of infection control strategies for multi-drug resistant organisms.

Dr. Shenoy has a leadership role in Mass General planning and response to Ebola Virus Disease (EVD) and other special pathogens. She is responsible for development of hospital policies and procedures related to EVD and has worked closely with staff from across the institution in planning meetings, training, and drills and exercises. As Medical Director of Region 1 Emerging and Special Pathogens Treatment Center (RESPTC), one of 10 federally funded special pathogens programs in the U.S., Dr. Shenoy is responsible for the overall operations of the program, including the implementation of awarded grants. She liaises with the hospital’s Incident Management Team and Hospital Incident Command System as needed.

Dr. Shenoy completed her undergraduate study in molecular biology at Princeton University, and received her medical degree as well as PhD in Health Policy and Economics from Harvard. She completed her residency in Internal Medicine, as well as a fellowship in Infectious Diseases, at Mass General.

David R. King, MD

David R. KingDavid King is an attending trauma surgeon at the Massachusetts General Hospital in the Division of Trauma, Emergency Surgery, and Surgical Critical Care as well as an Assistant Professor of Surgery at the Harvard Medical School. Dr. King has research interests in the areas of prehospital intracavitary hemorrhage control, non-invasive monitoring for trauma, trauma triage, and human athletic performance. He has multiple federally funded biomedical research grants. He has over 80 peer-reviewed publications reflecting these research interests and speaks regularly at regional, national, and international surgical conferences. He is on the editorial board of several peer-reviewed journals and is a regular reviewer for all the major trauma and surgical journals. He also serves as a grant reviewer for the Department of Defense and the National Institutes of Health. Dr. King has deployed as a combat surgeon to Iraq and Afghanistan with U.S. Army Forward Surgical Teams. He also deployed to Haiti following the earthquake on a medical humanitarian relief mission with a Combat Support Hospital.

Dr. King received his bachelor’s degree from the University of Tampa, and his medical degree from the University of Miami School of Medicine. He completed his general surgery residency training at the University of Miami/Jackson Memorial Medical Center. He subsequently completed fellowship training in surgical critical care, trauma surgery, and endovascular trauma at the Ryder Trauma Center/Jackson Memorial Hospital. He is currently a Lieutenant Colonel in the US Army attached to the Joint Special Operations Command.

Ari Cohen, MD, FAAP

Ari Cohen
Ari Cohen is the Chief of Pediatric Emergency Medicine in the Department of Emergency Medicine at Massachusetts General Hospital. He has filled this position since 2009. Dr. Cohen holds an appointment at the Harvard Medical School and serves as a medical officer for MA-1 Disaster Medical Assistance Team (DMAT) in the National Disaster Medical System (NDMS) in the US Department of Health and Human Services (HHS).

Dr. Cohen is an active researcher in pediatric emergency medicine and lectures nationally and internationally on topics involving pediatric respiratory disease, head trauma and suicide. He has participated in the medical response for both the Boston and NYC Marathons. Dr. Cohen completed his undergraduate studies in Biology and attended medical school at the University of Chicago, and completed his pediatric residency and pediatric chief residency at Mount Sinai Medical Center in New York City. He completed a pediatric emergency medicine fellowship at Boston Children’s Hospital.

Bonnie S. Michelman, CPP, CHPA

Bonnie Michelman has extensive leadership and security management experience in diverse industries. She currently is the Director of Police, Security and Outside Services at Massachusetts General Hospital and the Security Consultant for Mass General Brigham Healthcare Inc., comprising 13 hospitals in Massachusetts. She oversees a licensed Police Department in this role among other departments. She was formerly a senior Executive at First Security Services Corporation (now Securitas) overseeing Security for 60 diverse operations and Assistant Vice President for General Services/Operations at Newton Wellesley Hospital managing 16 operational and support departments.

Bonnie served as President in 2001 of ASIS-International, a 40,000-person organization, Chairman of the Board in 2002, and Foundation President from 2003-2005. She is Past President (2008 and 1995) as well as Chairman of the Board of the International Association for Healthcare Security and Safety (IAHSS). Bonnie is currently on the Board of Directors for the International Security Management Association (ISMA) taking over as President of that organization in 2016. She has been an Instructor at Northeastern University, College of Criminal Justice in the Graduate and Undergraduate program since 1988. Bonnie is on the Regional Board of Directors for the Anti-Defamation League (ADL) and chairs their National Security Committee. Under Bonnie’s direction, MGH won the Lindberg Bell Award for the nation’s finest healthcare security program in 1999 and 2007 among numerous other awards and recognitions. She was appointed in 2010 by DHS Secretary Janet Napolitano to the Homeland Security Advisory Council (HSAC) and chairs the DHS Faith Based Security Advisory Committee. She has held many leadership positions nationally and internationally. She lectures and consults internationally on areas of healthcare security, workplace violence, hate crimes, active shooter training, domestic violence, risk assessment/management, disaster planning, leadership and communications. She has many publications in various journals on safety, security, leadership and management. She also does significant work in Executive Coaching, Management Engineering and Strategic Planning.

Bonnie has an MBA, and MS in Criminal Justice and a BA in Government and Sociology. She holds her CPP and CHPA certifications.

Jarone Lee, MD, MPH, FCCM

Jarone LeeJarone Lee is the Director of Surgical Critical Care for the Division of Trauma, Emergency Surgery, Surgical Critical Care and Medical Director of the Blake 12 ICU. He is dual trained in emergency medicine and critical care medicine. Furthermore, he serves as a Medical Officer for MA-1 Disaster Medical Assistance Team (DMAT) in the National Disaster Medical System (NDMS) in the US Department of Health and Human Services (HHS).

Colleen M Ryan MD, FACS

Colleen RyanDr. Collen Ryan is a Professor of Surgery at Harvard Medical School, and has 30 years clinical experience in burn surgery at the Sumner Redstone Burn Center at the Massachusetts General Hospital and the Shriners Hospitals for Children - Boston. Dr. Ryan has clinical experience in several burn surge disasters including the 2002 Rhode Island Station Fire. She is Chairperson of the Organization and Delivery of Burn Care Committee of the American Burn Association and serves as the American Burn Association representative to Dr. Robert Kadlec, the Health and Human Services Assistant Secretary for Preparedness Response. Dr. Ryan has over 200 publications including topics in burn prevention, burn management, burn outcomes and disaster response. Dr. Ryan is a graduate of Franklin and Marshall College in Lancaster PA, Georgetown University School of Medicine in Washington DC and did her surgical residency and fellowship at the New England Deaconess Hospital in Boston and the Hammersmith Hospital at the Royal Postgraduate Medical School in London, respectively.

Edward George, MD, PhD

Edward GeorgeAs the medical director of the Post Anesthesia Care Units (PACU) at MGH, Ed George guides the recovery of post-operative patients, working to balance the immediate post-operative care of several hundred surgical patients per week.

As a former Marine Corps officer, transferred to the Navy Medical Corps, Dr. George has extensive training and operational experience in emergency and disaster management. In 2005, he served as the Department Head for Anesthesia at the US Military Hospital in Kuwait, where he managed four operating rooms, working with six trauma surgeons at the base hospital and several clinics in the theater of operation.

Dr. George is the national supervising medical officer for anesthesia/critical care for the Department of Health and Human Services’ International Medical and Surgical Response Team (IMSuRT). He deployed to the World Trade Center on Sept 11, 2001, and to Bam, Iran in 2003 to provide medical care to earthquake victims.