Matthew Landman, M.D., M.P.H.

Pediatric and Thoracic Surgeon, Associate Professor of Surgery and Trauma Medical Director at Riley Hospital for Children at Indiana University Health

Dr. Matt Landman is an Associate Professor of Surgery at the IU School of Medicine and Trauma Medical Director at Riley Hospital for Children at IU Health. He is a native of rural Iowa and attended Northwestern College in Orange City, Iowa, for his undergraduate education. He graduated summa cum laude with a B.A. in biology with a minor in chemistry. He attended Vanderbilt University School of Medicine in Nashville, TN. Following the completion of medical school, he continued his training in the general surgery residency program at Vanderbilt University Medical Center. During this residency, he also completed a Masters of Public Health degree through Vanderbilt University. He then completed a pediatric general and thoracic surgery fellowship at Children’s Hospital Colorado. He is board-certified in adult and pediatric general surgery by the American Board of Surgery and is a fellow of both the American College of Surgeons and the American Academy of Pediatrics. He is currently Vice-Chair of the Indiana Committee on Trauma of the American College of Surgeons and a member of the IN State Trauma Commission.

Sharnae Phagan, MSN, RN
Trauma Program Manager at UChicago Medicine

As an ED/trauma nurse, Ms. Phagan has with over 20 years’ experience treating critically ill trauma patients. Her nursing and Trauma Program Manager experience has helped her team achieve and maintain trauma program goals such as state trauma center verification, performance improvement, patient safety initiatives, trauma education, outreach and prevention strategies.  Ms. Phagan has developed the Trauma Mentor Program as a way to ensure patients are receiving high quality care while fostering growth and confidence within the team members who care for trauma patients.

Justin Regner, M.D.
Trauma Medical Director, Associate Professor of Surgery, Division of Trauma, Critical Care and Acute Care Surgery, School of Medicine, Surgery Core Clinical Experience Director, OHSU

Justin L. Regner, MD, FACS joined OHSU’s Level 1 Trauma Center as the Trauma Medical Director in 2025.  He is an Associate Professor of Surgery for the Department of Surgery at OHSU.  Dr. Regner’s career is focused on the critical patient through education, research, process improvement and surgical quality outcomes.  He is certified by both the American Board of Surgery and the American Board of Surgical Critical Care.

Dr. Regner previously served as the Trauma Medical Director and Division Chief for Trauma & Acute Care Surgery at Baylor, Scott & White Medical Center -Temple’s Level 1 Trauma Center from 2015 – 2024.  He has held several other leadership positions, including Associate Program Director for General Surgery at BSW from 2012-2022, the Medical Director for the Texas ACS-TQIP Collaborative from 2018 – 2023, and State Chair for South Texas ACS-Committee on Trauma from 2022 – 2024.  He also enjoys serving the Multi-Center Trials and Research Committee for the Southwest Surgical Congress.

Dr. Regner earned his M.D. from Texas Tech University Health Science Center in Lubbock in 2003, graduating as a member of the Alpha Omega Alpha Honor Society and Top Ten Medical Graduate.  General Surgery Residency was with the University of Arkansas Medical School in Little Rock, AR where he received multiple awards for surgical service and research. He then completed a fellowship in Trauma & Surgical Critical Care at the University of California, San Diego School of Medicine in San Diego, CA in 2011.

Diana Clapp, ACNP
Instructor of Anesthesiology and Perioperative Medicine,  Advanced Practice Provider, Pain, Anesthesiology and Perioperative Medicine, OHSU

Diana found her love of healthcare as an EMT and then Paramedic in College.  She completed her BSN and DNP at the University of Maryland in 2003 and 2018 respectively.  In between these studies, she enjoyed 4 years in the trauma ICU at John Hopkins Bayview as well as 10 years in the Trauma Resuscitation Unit at R Adams Cowley Shock Trauma Center in Baltimore. She moved to Oregon in 2018 and joined the OHSU Trauma Acute Care team as a Nurse Practitioner. For the past 2 years, she’s worked with the Adult Pain service at OHSU.  In 2023, she also joined the faculty for the OHSU School of Nursing for the Adult Gerontologic Acute Care Nurse Practitioner Program.  When not at the hospital or teaching, she can be found hiking with her rescue pup Koa or throwing pottery!

Jim Cole, MA, FP-C
Injury Prevention Coordinator & Trauma Educator for PeaceHealth Riverbend

Jim Cole is a highly skilled emergency services professional with 40 years of experience in critical care, 9-1-1, and medevac services. He holds a bachelor's degree in Community Health and a master's degree in Higher Education Administration. Jim's extensive career includes roles as a practitioner, educator, and administrator, with expertise in trauma and pediatrics. 

Currently, Jim serves full-time as Injury Prevention Coordinator/Trauma Educator for PeaceHealth Riverbend Trauma Center with a focus on older adult and pediatric injury prevention as well as providing trauma education courses and continuing education to all levels of caregivers. 

Mackenzie Cook, M.D.
Associate Professor of Surgery, Division of Trauma, Critical Care and Acute Care Surgery, Surgery Core Clinical Experience Director, Surgery, OHSU

Dr. Mackenzie Cook is a trauma surgeon within the division of Trauma, Critical Care and Acute Care Surgery with an additional clinical focus on advanced Extracorporal Membrane Oxygenation (ECMO) management and transport as well as surgical stabilization of rib fractures.  He is the medical student clerkship director and has a strong research interest in surgical education.  His clinical research focuses on the long term outcomes after injury and approaches to optimize recovery after traumatic injury.

Dr. Cook was born in Pittsburgh and grew up in a small town in Connecticut. He attended college at Cornell University in Ithaca, NY and then spent a year backpacking and skiing in Utah before attending medical school at Duke University in Durham, NC. He spent his dedicated research year in medical school at the University of Wisconsin in the endocrine surgery lab as a Howard Hughes medical scholar. He then headed west for residency at OHSU, graduating in 2016 from the general surgery residency program. Following residency, Dr. Cook completed a surgical critical care fellowship at Harborview Medical Center in Seattle, WA in 2017.

Dr. Cook lives in Portland with his wife Crystal, their three kids and two rambunctious dogs. Avid hikers, skiers and climbers, the Cook family is happy to call Portland home.

Maj. John Fletcher
Associate Professor of Surgery, Division of Trauma, Critical Care and Acute Care Surgery, OHSU

Dr. Fletcher is an active‐duty US Army trauma and acute care surgeon who holds academic appointments at both Oregon Health & Science University (OHSU) and the Uniformed Services University of the Health Sciences (USUHS). Currently assigned to the military‐civilian partnership program at OHSU, Dr. Fletcher began his career in medicine with nearly ten years as a civilian fire‐fighter/paramedic and SWAT medic in Southern Arizona. His interest in austere medicine and surgery began while growing up in Africa watching his missionary surgeon father. He completed residency in General Surgery and Fellowships in Surgical Critical Care and Acute Care Surgery at Brooke Army Medical Center. He has worked as a General Surgeon, a Trauma Surgeon and as the Chief of General Surgery. His service has permitted him to perform surgery on three continents and he has deployed in support of Special Operations Command ‐ Africa. His clinical, academic and research interests include austere surgery, chest wall injury and blood product resuscitation.

Lt. Sean Fogarty
Public Information Officer, Station 24, Portland Fire & Rescue

Portland Fire & Rescue Lieutenant/Paramedic Sean Fogarty began his fire service career as a Rogue River Hotshot in 2001.  He currently serves on Engine 24 in North Portland as a member of the Land Based Marine program, working with regional partners from other agencies to prepare and train for ship fires.  Prior to that, he was a member of the Technical Rescue Team and a Training Officer for new firefighters at Portland Fire's training station.  He helped develop a first-of-its-kind Crisis Intervention for Firefighters curriculum and performs with the Portland Fire Fighters Pipes and Drums Band. Lt. Fogarty was also honored to be named the 2023 Portland Firefighter of the Year.

Daniel Hoover, M.D.
Assistant Professor of Medicine, Division of General Internal Medicine and Geriatrics, OHSU

Dr. Hoover specializes in the care of persons with substance use disorders, including withdrawal management services, medication to support recovery, and complex care coordination. Dr. Hoover chose this field to help expand access to life-saving medications to treat opioid use disorder and to advocate for better community care and outcomes for persons who use substances. He enjoys forming deep relationships with his patients and partnering alongside them on the profound, personal, and spiritual journey of recovery. His academic interests include education and dissemination of best practices for substance use care, and substance use care within the criminal justice system.

Dr. Hoover's personal interests include taking his 3 children hiking and exploring nature parks around the Portland area, birdwatching / bird photography, and strategy board games. He also loves cooking for his family, especially authentic Mexican recipes, curries, and homemade ice cream.

https://www.oregonechonetwork.org/addictionmed 

Torree McGowan, M.D.
Emergency Medicine, St. Charles Redmond 

Dr. Torree McGowan, MD, FACEP, graduated from Oregon Health and Science University and completed her emergency medicine residency with the US Air Force. A combat veteran of Iraq and Afghanistan, she retired after 27 years of service in the active and reserve Air Force components. Now at St. Charles Medical Group in Central Oregon, she is a nationally recognized expert in disaster preparedness and mass casualty response, serving on national committees with the American College of Emergency Physicians.

Emmanuelle Paré, M.D.
Associate Professor of Obstetrics and Gynecology, OHSU

Dr. Emmanuelle Paré (she/her/hers) is an Associate Professor of OBGYN at OHSU, in the Division of Maternal-Fetal Medicine. She is the co-Director of OHSU Maternal Cardiac Program and the Director of the OBGYN Residency OB Simulation curriculum. She enjoys taking care of patients with cardiac and other complex medical issues which require multidisciplinary and interprofessional collaboration. She is passionate about maternal health, health equity and reproductive justice.

MaryClare Sarff, M.D.
Associate Trauma Medical Director, Medical Director of the Surgical ICU, and Trauma, Critical Care and Acute Care Surgeon, St. Charles Medical Center, Bend

Dr. MaryClare Sarff is an Acute Care Surgeon with 15 years of experience in trauma and emergency surgery. She is board-certified in Surgical Critical Care and currently serves as a key member of the medical staff at St. Charles Health System in Bend, OR, a 200-bed Level II trauma center serving central and eastern Oregon. In her leadership roles, Dr. Sarff serves as the Surgical ICU Medical Director and the Associate Trauma Medical Director. Beyond her clinical responsibilities, Dr. Sarff is deeply involved in healthcare advocacy, serving as the Vice Chair of the Oregon Committee on Trauma, where she focuses on advancing trauma care policies and improving patient outcomes. Outside of her professional commitments, Dr. Sarff is passionate about a variety of activities including her own personal fitness, playing her grand piano, Bernard, and spending time on the water, paddleboarding with her husband, Maurice, and their dog, Shady. Dr. Sarff is dedicated to providing exceptional care and leadership while maintaining a well-rounded and fulfilling personal life.

Lieutenant Colonel Christopher Webb
Commander of the 142nd Chemical, Biological, Radiological, Nuclear, and High-Yield Explosives Enhanced Response Force Package (CERFP) at Portland Air National Guard Base, Portland, Ore.

As a member of the command staff of the Oregon CERFP, he oversees operations of a 56-person Air National Guard emergency medical response force. Additionally, he is responsible for both short and long-range organizational planning to include developing the squadron training calendar, designing mass-casualty exercises, and collaborating with local, state, and federal emergency services to ensure readiness for joint response to disaster situations involving mass medical casualties.

Lt Col Webb entered the Air Force Reserve in September 1997 and completed training as an enlisted aerospace medical technician in April 1998. He transferred to the Air National Guard in September 2001. He was promoted to Technical Sergeant in August 2003 before taking time away from the military to pursue graduate studies. Lt Col Webb completed his Master of Science in Physician Assistant Studies at the University of Kentucky in July 2003. His bachelor degree is in Psychology, completed in May 1997 also at the University of Kentucky. Prior to his current position, he served as a physician assistant on the CERFP team, providing medical care to victims of mass-casualty disasters. Other leadership positions he has held in the 142nd CERFP include Flight Commander of the CERFP Search and Extraction Flight, Director of Operations, and Deputy Commander.

Lt Col Webb has previously commanded a delegation of U.S. emergency medical providers to Long Bien Vietnam where his team trained with the Vietnamese military in emergency response protocols. He has been activated in a leadership role for a number of statewide emergencies to include wildland firefighting and COVID-19 pandemic response. In the summer of 2021, he was also activated to serve as the interim Oregon State Medical Planner to coordinate military support of the state’s COVID-19 response efforts. Lt Col Webb also serves as the lead medical planner for Oregon’s State Partnership Program with Vietnam and Bangladesh, a position that he has held since 2019. As lead medical planner, Lt Col Webb plans and coordinates global events that foster a positive working relationship between partner nations and the U.S. military. In Vietnam, he served as the lead planner in a multi-agency project to establish the first International Trauma Life Support training chapter in Vietnam to support their United Nations peacekeeping mission in South Sudan. He is currently working to do the same in Bangladesh.

In his civilian career, Lt Col Webb has worked as a physician assistant in general, bariatric, oncological, and endocrine surgery for the past eight years. Prior to his current position, he worked in orthopedic surgery for eleven years. He has completed a surgical fellowship in orthopedics at the Illinois Bone and Joint Institute in Chicago, Illinois, then later became Director of that program. He is also a co-founder of a PathFinderEX, a non-profit organization that teaches disaster response principles and practices to individuals and organizations.

Obert Xu, MBBS, BSN
Instructor, Department of Emergency Medicine, Administrative Fellow, Department of Emergency Medicine, OHSU

Obert Xu, MBBS, BSN completed medical school at James Cook University in Queensland, Australia and residency training in Emergency Medicine at Oregon Health and Science University. He is currently an Administrative Fellow in Emergency Medicine and completing a Master of Business Administration degree at Oregon Health and Science University.

Dr. Xu has a well-rounded, interdisciplinary background, with over ten years of experience in the healthcare industry. He has worked in multiple healthcare systems in both the United States and Australia. He spent six of those years as an Emergency Department Registered Nurse, and more recently as an Emergency Medicine Physician. He currently practices in the academic and community settings, and previously in the critical-access rural setting.

He has served on and led many departmental, institutional and national committees focused on quality improvement, patient safety, operations and education. He has a passion for collaborative interdisciplinary team-based work to solve complex healthcare challenges. His project portfolio includes work focused on Emergency Department throughput, physician scheduling innovation, physician-in-triage workflow implementation, transition of care optimization, physician documentation development, psychiatric care improvement, Emergency Department-based buprenorphine induction pathways, and diversity, equity, inclusion and belonging initiatives. His research interests include metric-driven work in operations, quality improvement, and interdisciplinary teamwork.