TMAC, Trauma Managers Association of California


The Directory of the Trauma Managers Association of California includes both hospital and EMS agency trauma managers from across the state.

Click here for a list of current TMAC members


2017 Board of Directors

Desiree Thomas, RN, MSN, CCRN

Desiree Thomas

Desiree received her Bachelor of Science in Nursing from Biola University, and her Master of Science in Nursing from Mount St. Mary’s College.  She began her nursing career at LAC+USC Medical Center, where she discovered her love of caring for critically ill trauma patients.  She had the opportunity through the Navy Trauma Training Center to train Navy physicians, nurses, and corpsman in trauma care prior to their deployment to Iraq and Afghanistan. Desiree came to Long Beach Memorial/Miller Children’s Hospital Long Beach in 2006 as the Trauma/Disaster Surge Coordinator. She was active in the development of the Physician-In-Charge program, which is a system that coordinates the medical care of patients during a disaster. She transitioned into the role of Trauma Program Director in 2012. She has streamlined the financial and clinical processes within the Trauma Service, utilizing Lean methodology. She participates on committees at the regional level and speaks regularly within the surrounding area on trauma care. Desiree has been a member of TMAC since 2007. She has served on the TMAC Board of as the Director At Large for hospitals since 2014.  In her free time, Desiree enjoys cooking, spending time with her family, and traveling.

Heather Venezio, RN, MS, CEN, TCRN
President Elect

Heather Venezio

Heather Venezio is the Trauma Program Director at NorthBay Medical Center, a position she took in 2011.  She has taken her hospital from a non-trauma hospital to Level III verified to Level II verified in 3 years.  She has lead her team in 3 successful ACS surveys and continues to constantly evolve the trauma program for benefit of ever improving patient care.  Prior to her current role with Trauma, Heather was an Emergency Department nurse in Louisiana and California for 11 years.  In addition to active membership in TMAC since 2011, she also serves as a member of the California Hospital Association EMS/Trauma Committee and EMS for Children Technical Advisory Committee.  In addition, Heather has been nominated to be the CHA representative on the Title 22 Trauma Regulations revision.  She prides herself on “out-of-the box” thinking to solve complex problems with few to little financial resources, such as obtaining 2 granted Injury Prevention Specialist FTEs from the Centers for Disease Control.  She believes these experiences have prepared her to effectively serve in the TMAC President.

Katy Hadduck, RN, BSN, CFRN

Katy Hadduck

Katy Hadduck is the Trauma System Manager for the Ventury County EMS Agency.  Throughout her long nursing career, she has provided bedside care in multiple specialty areas, worked as a fixed-wing and helicopter flight nurse, and held management positions in inpatient units, air ambulance organizations, a fire department, and most recently, for the local EMS agency. 



Michelle Woodfall, MS, RN, CEN, CCRN

Michelle Woodfall

Michelle Woodfall is the Trauma Program Director/Interim Stroke Program Director for Stanford Health Care.  She has been a Stanford Health Care employee for the past 26 years, with Critical Care as her specialty. Michelle worked as staff nurse, educator and Assistant Nurse Mgr in CV ICU (Heart Txs, Lung Txs, Aneurysms etc.) for 16 years. She then moved to the ED as their Clinical Nurse Specialist in 2005 before moving to Trauma as Program Manager in 2010.  In October 2016, she was given the Stroke Program to direct as well.  Michelle was invited to present at the 2015 TQIP session.  She led Stanford Health Care through 2 successful ACS visits using EMR.  Michelle was also Treasurer of her College Sorority for 3 years – 65 members.

Eileen Hoover, RN, MSN
Director at Large for Hospitals

Eileen Hoover

Eileen Hoover is the Trauma Program Manager for Santa Clara Valley Medical Center.  She has been a nurse for 35 years in critical care, emergency and trauma nursing at community and non-profit hospitals in Illinois and California.  Since 199-0, Eileen has been worked at SCVMC, a publicly owned tertiary care hospital, ACS verified Level I Adult, Level II Pediatric, and ACS Verified Burn Center, with a Comprehensive ED and paramedic base station.  As a clinical nurse she was involved in multiple patient education, safety and quality projects and committees and received an award for her work in Safety and Security.  In 2005 she left the bedside to work half time as an Injury Prevention Coordinator until 2012 when she assumed the Trauma Program Manager position.  As the TPM, Eileen has increased her staff from 4.5 to 14 FTE (311%) and survived EPIC implementation in 2013. The SCVMC trauma program participates in both Adult and Pediatric TQIP.  Eileen currently serves on the CA PIPS Committee.

In recent years she has also been involved in injury prevention and trauma research studies including her masters research on Emergency Nurses Attitudes for Patients that Consume Alcohol, Non-Traffic Injuries to Children, site coordinator for a multi-institutional SBIRT Study and the ProTECT Study; clinical drug trial for TBI.  For several years she was a very active ENA member at the local and state level holding elected offices included a CAL ENA Director at Large, served as a national delegate, and founded a local Emergency Nurses Care Chapter.  For the last ten years Eileen has been a member of the Trauma Education Consortium (TEC), a consortium of Bay Area TPMs and educators providing trauma education. The year she served as TEC President there were over 400 participants at the 25th Annual Totally Trauma Conference.  Eileen is also a TNCC instructor and ATLS Coordinator.  In her personal life she founded a Girl Scout Troop and also owned a direct sales scrapbooking business for seven years until she assumed her current TPM role..

Shanna Kissel
Director at Large for EMS

Shanna Kissel

Shanna Kissel is the Trauma Nurse Coordinator/Clinical Supervisor for the Riverside EMS Agency.  She started her career in 2003 on the Pediatric floor at Huntington Memorial Hospital in Pasadena. From there she continued to work with pediatrics at Long Beach Memorial- Miller West for 2 years. After moving to Riverside, Shanna made a department change to the Emergency Department at Riverside County Regional Medical Center. She was a bedside nurse and charge nurse while she was working on her BSN.

Shanna made the transfer into Trauma Services in 2009 and it was here that she became the Performance Improvement / Injury Prevention Nurse. This was her “home” and comfort zone in the trauma world. During this time she worked on her Master’s Degree in Nursing Administration and wanted to utilize this in her career. In 2014, she was given the opportunity to be the Trauma System Coordinator for Riverside EMS Agency which she has been doing for two years. As the Trauma System Coordinator, she has been involved in a multi-county trial study from data collection to implementing county wide education. In her current role she recently published a Trauma System Report using county-specific trauma data as a tool for agencies to use for Injury Prevention and Education. She is always seeking ways to improve trauma patient care from the system perspective.

Candy Schoenheit, RN, BSN, PHN, MICN
Immediate Past President

Candy Schoenheit

Candy Schoenheit is the Trauma Coordinator for San Diego County.  She is responsible for contract compliance for the six trauma centers located in San Diego.  After receiving her Associate Degree in Nursing from Long Beach City College, she started her career at Long Beach Memorial/Miller Children’s Hospital Long Beach.  She received her BSN, PHN from University of Phoenix and went on the work in Emergency and Trauma.  During her more than thirty years experience as a nurse, she has worked at Mammoth Hospital, Tri-City Medical Center, and Palomar Medical Center prior to coming to San Diego County EMS.  She is a member of TMAC, STN and ENA.  She serves as the San Diego representative for Emergency Services for Children at the state.  Candy has 2 adult children, both are currently attending college.  She enjoys exercising, skiing and tennis.

Previous Members of the Board

Many people have dedicated their time and energy to TMAC, which has made it the premiere organization for trauma professionals in the state of California.

Below are individuals who have most recently served on the Board of Directors

  • Karen Crain-Riddle, RN

    • President Elect, 2014
    • President, 2015
    • Immediate Past President, 2016
  • Jennifer Wobig, BSN, RN

    • Treasurer, 2015-2016

  • Debra Becker, RN, BSN

    • Secretary, 2014-2015

Susan Watson, BAcc
Executive Assistant

Susan Watson

Susan is currently the Financial Services Assistant and Executive Secretary for Mountain-Valley EMS Agency.  She received her Bachelor of Science in Accounting from the University of Phoenix.  Susan has a long work history in administrative duties, technical writing, information technology and accounting support.  She is a veteran of the U.S. Army, serving more than a decade both at home and abroad.  Over the course of her civilian work experience,  she has served city, county and federal government agencies as well as the private sector.  In her leisure time, Susan enjoys caring for her home and family, spending quality time with her grandchildren, and devoting volunteer hours to service within the local community.