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SFGH Level 1 Trauma ProgramThe Level I Trauma Program

Trauma Program Team

Dr. Mackersie, Trauma Medical Director

Trauma Medical Director
Robert J. Mackersie, MD, FACS

Dr. Mackersie serves as a UCSF Professor of Surgery at and the SFGH Trauma Medical Director. His administrative responsibilities include: Trauma performance improvement, implementation of clinical practice standards, program development, trauma education, research, outreach, and clinical supervision of the staff of four Trauma Nurse Practitioners. Since 1992, Dr. Mackersie has introduced the Trauma Videotape Resuscitation Review Conference, authored portions of the 2001 SF Trauma Plan, initiated and directed the SFGH Violence Prevention Fellowship Program, and helped initiate a clinical Trauma Fellowship at SFGH. He has overseen the institution of 24/7 "in-house" attending surgeon capability at SFGH, and helped develop the Trauma Nurse Practitioner Program.   Dr. Mackersie's national responsibilities include the American College of Surgeons Committee on Trauma (COT) where he serves as a member of the Executive Committee and the current Chair of the ACS Committee for Trauma Systems Consultation. He also serves as a regular Trauma Center site surveyor for the COT. He recently completed a term as President of the Northern California Chapter of the ACS and serves now as a Governor of the College.


Christine Wachsmuth

Administrator for Trauma and Rehabilitation Services
Christine Wachsmuth, RN, MS

Chris first worked as an ED staff nurse at SFGH from 1982-86 while completing graduate work at UCSF. In 1992 she was hired as the Nursing Director in the ED and in 1995 she was promoted to Associate Administrator with the added responsibility of the Paramedic Division, hospital-wide disaster response program, Trauma Program, and Rehabilitation Services. Chris received her basic nursing degree from the Good Samaritan Hospital School of Nursing in Cincinnati Ohio.  Since 2002, Chris has been the team leader for the SFGH medical helipad project.  Chris' interest in emergency, trauma and disaster services is reflective of her 31-year background as an emergency nurse, manager and hospital administrator.Chris received a BSN from the University of San Francisco and a Master's Degree in Nursing Administration at the UCSF graduating with honors [Distinguished Masters Student in Administration]. Chris is an active member of the San Francisco General Hospital Foundation Board of Directors, Organization of Nurse Executives, Emergency Nurses Association, and Sigma Theta Tau ~ The National Nursing Honor Society. Chris is in the 2002/2004 fellowship class of the CHCF Health Care Leadership Program.


Patricia O'Connor

Trauma Program Manager
Patricia O'Connor, RN, MS

Patti started the first Trauma Program in the Kaiser system at Kaiser San Rafael.   Prior to Kaiser, she was at Highland Hospital for 10 years, 8 years serving as the Trauma Program Coordinator, and was the Trauma Services Manager at Santa Rosa Memorial for three years. Patti is a well-known educator and lecturer, serving as clinical faculty at the UCSF Dept. of Physiological Nursing. She participates in teaching trauma nursing courses, and is a member of the Bay Area Trauma Education Consortium. Patti is a member of the Educational Meetings Committee of the College of Emergency Physicians (ACEP), assisting in the development of courses for the annual ACEP Scientific Assembly.


Trauma Nurse Practitioners: Hawk, Petersen, Christensen, & Norman

Trauma Nurse Practitioners
Mark Hawk, RN, MS, ANCP; Vagn Petersen, RN, MS, ANCP
Michael Christensen, RN, MS, ANCP; Gail Norman, RN, NP, PA

Trauma Nurse Practitioners work in collaboration with physicians from the Department of Surgery to care for injured patients. Besides providing a weekly follow-up clinic, they see patients in the Emergency Department, Intensive Care Units, and Surgical Nursing Units.Vagn Peterson, the newest NP, is a recent graduate of the ACNP at the UCSF, with experience in Critical Care, Emergency Room, and Flight Nursing in Vermont, Texas (Parkland), and the Bay Area. He also works part-time as a Clinical Coordinator with the California Transplant Donor Network. Mark Hawk is a graduate of the program at the UCSF and has served in both clinical and supervisory roles in the Emergency Department at SFGH. He is also a faculty member in the ACNP program at UCSF and is pursuing a doctorate in geriatric trauma. Gail Norman is a graduate of the NP-PA Program at Stanford University and has extensive experience in Emergency Department Nursing in Arizona and at SFGH. Mike Christensen has 25 years of nursing experience in trauma, burns, cardiothoracic surgery, and neuroscience clinical care, most recently at Santa Clara Valley Medical Center.


Dan Gerard

Trauma Educator/Outreach Specialist
Daniel Gerard, MS, RN, EMT-P

Dan Gerard has 20 years of education and teaching experience, is an adjunct assistant professor for the EMS degree program at the George Washington University, and is national faculty for several educational programs. Dan served as Critical Care Transport staff for international patients and consulted on the new Hong Kong EMS system in 2001.


Dr. Kelly Bullard

Trauma Fellow
Kelly Bullard, MD

Dr. Bullard is a former UCSF Critical Care Fellow. She is a graduate of the University of North Carolina in Chapel Hill, School of Medicine, where she also served as surgical resident and Chief from 1995-2002. While in Chapel Hill, she participated in the NIH Trauma Training Fellowship under the guidance of Dr. Christopher C. Baker. Her research interests include treatments for acute lung injury, management of systemic inflammatory response syndrome, and injury prevention.

For more information on the Trauma Fellowship program at SFGH, please visit the Trauma Fellowship website.


Neurosurgeon Nurse Practitioners Gustafson and Lay

Neurosurgeon Nurse Practitioners
(L to R) Ryan Gustafson, RN, MS, NP, Twyila Lay, RN, MS, ACNP

The Neurosurgery Nurse Practitioners work with the Neurosurgery Service to care for all neurosurgery patients, with special emphasis on Traumatic Brain Injury (TBI) and Spinal Cord cases. Their scope of practice includes following patients in the Emergency Department, Intensive Care Units, Surgical Nursing Units, and clinic. They have played a primary role in the development of the TBI Guidelines implemented at SFGH. Twyila Lay is an experienced NP, having spent 7 years at UC Davis, with the Trauma and Ortho-Trauma services. Ms. Lay was instrumental in establishing the ACNP Program within the UCSF Dept. of Physiological Nursing and remains on the clinical faculty there. Ryan Gustafson has two years of valuable TBI experience as a critical care nurse at the Trauma SICU at Santa Clara Valley Medical Center. A graduate of the Family Nurse Practitioner program at UCSF, Ryan also holds a Bachelor of Science in Microbiology with a minor in Chemistry.


Clinical Coordinators: Kozimor, Jensen & Li, & Registrar: Doyle

Trauma Clinical Coordinators and Trauma Registrar
(L to R) Andrea Kozimor, RN, Linda Doyle, Lauris Jensen, RN, BSN, Lillian Li

Clinical Coordinators concurrently follow all admitted injured patients, collecting information about all phases of their care throughout their hospital stay. They monitor patients' care for appropriateness, timeliness, safety, and departure from ACS standards. Lauris Jensen,  is an experienced ICU nurse who has been with SFGH for 22 years, 7 as a Trauma Clinical Coordinator. Andrea Kozimor is also an experienced ICU nurse and has been with SFGH for 20 years, 2 as a Trauma Clinical Coordinator.

The Trauma Registry is a crucial component of the Trauma Program, and contains all the data collected on trauma patients and used for Performance Improvement. It is maintained under the strictest rules for patient privacy and confidentiality.  Linda Doyle, RHIT, the Trauma Registrar, oversees the daily operations of the registry, inputs data, runs reports, assures quality, and bills for Trauma activations. Linda is an experienced Health Information Technician who has worked at SFGH about 20 years, nearly half of that time with the Trauma Program. Lillian Li, RHIT, Assistant Trauma Registrar, graduated from SF City College in 2002 and is an expert in running complex database queries while assisting Linda in daily Registry operations.


Business manager, Ana Ghosh

Trauma Business Manager
Ana Ghosh, MPA

Ana Ghosh has served as the Trauma Business Manager since 2000, but is a long time veteran of SFGH, having served in numerous capacities since 1984, such as Reimbursement Analyst, Hospital Budget Director, and Assistant Administrator. She enjoys working with the Trauma Program and on the many new challenges facing trauma care.  Ana is currently providing program assistance to the Traumatic Brain Injury team and the medical helipad team.


Do NOT email the Community Health Network if you wish to inquire about ANY medical situation or problem. Instead, please call San Francisco General Hospital at 415-206-8000 


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