If you have an emergency, dial 911.

Executive Leadership

Doug Hooten

Chief Executive Officer

Douglas Hooten is the Chief Executive Officer of Harris County ESD 11 In Northwest Harris County. He has over 40 years of experience in EMS, having served as Chief Executive Officer of the Metropolitan Area EMS Authority/MedStar Mobile Healthcare in Fort Worth, Texas; Senior Vice President of Operations for American Medical Response; Chief Executive Officer of the Metropolitan Ambulance Service Trust (MAST)in Kansas City, Missouri; and a variety of leadership roles with Rural/Metro Ambulance, Inc. in South Carolina, Georgia, Ohio, and Texas. He has demonstrated considerable expertise in change management, cost optimization, process improvement, and clinical excellence. Having started his career in EMS as a field paramedic in Galveston and later in Conroe,Texas, Hooten holds an undergraduate degree in Business Administration from Sam Houston State University and a Master of Business Administration from Rockhurst University. He served as past President and board member of the Academy of International Mobile Healthcare Integration (AIMHI), past President and board member of the Texas EMS Alliance, and past board member for the National Emergency Medical Services Advisory Council to the Department of Transportation. In addition, he has served in leadership positions with the Governor’s EMS and Trauma Advisory Council’s EMS committee and the American Ambulance Association.

Rob Farmer

Chief Administrative Officer

Rob Farmer’s career in public safety spans more than 32 years, including nearly 18 years as a progressive, authentic, executive-level leader. He is the Chief Administrative Officer of Harris County ESD 11 and has spent his entire career in public safety, previously serving as the Director of Public Safety & Emergency Management for Lee County, Florida, and as a member of the Board of Directors for Southwest Florida’s Urban Search and Rescue (USAR) Team/Florida FEMA Task Force 6. Additional EMS experience includes serving as the Director/Chief of Emergency Medical Services for Delaware County, Ohio; and as a Firefighter / Paramedic for the City of Upper Arlington,Ohio. Throughout his career, he has focused on the development of employees’ leadership and management skills and has repeatedly led agencies through crisis. Farmer has served as a change agent for healthy organizational culture and has brought customer-focused oversight to large public safety agencies. He previously served as a Board Member for the International Association of EMS Chiefs and was a Board Member for the Gulf Coast Symphony and the Music & Arts Community Center inFort Myers, Florida. He has a Bachelor of Science in Business Management from Hodges University in Naples, Florida, an MBA from the University of Southern Mississippi in Hattiesburg, Mississippi, and is a Fellow and Charter Commissioner of the American College of Paramedic Executives (ACPE).

Dave Snavely

Chief Financial Officer

As Chief Financial Officer, Dave Snavely provides leadership, direction and management of the accounting and revenue cycle teams. This includes forecasting, budgeting and cash flow management, as well as operational and financial analyses supporting special projects for senior managers. Snavely’s early experience included corporate accounting and personal/commercial banking. With prior experience as a Vice President/Director of Operations, Vice President of Business Development, General Manager and Director of Finance in multiple organizations, he offers system-specific expertise. In his 43rd year of prehospital certification – including 39 years as a paramedic – Snavely served as both aground and flight paramedic before advancing to management roles. He has worked for both for-profit and not-for-profit ambulance companies as a manager and senior executive in several states.Snavely is the former President of the Northeast Texas Regional Advisory Council, a part of the statewide trauma network. He is a Past President of the Texarkana Oaklawn Rotary Club. As a certified Development Dimensions International Course Facilitator, he has conducted management training courses for his home companies and for external partners.

Jamie Chebra

Chief Operations Officer

James “Jamie” Chebra has been involved in EMS for more than 20 years, advancing from the rank of volunteer EMT to Paramedic street provider to Director for Hackensack Meridian Health’s JFK Medical Center in Edison, New Jersey. He and his team operated a hospital-based high-performance, full-service Emergency Medical System incentral New Jersey. Chebra has held positions on the operational, educational, clinical and administrative sides of care delivery. He earned his Master of Emergency Health Science Degree from the University of Maryland, Baltimore County and holds a graduate certificate in Emergency Management. He is actively working on his Doctor of Healthcare Administration and is a Fellow of the Advisory Board Company and a Certified Emergency Manager. Chebra also serves as Vice President for the New Jersey Association of Paramedic Programs. He is a member of the Ethics Board for the
American Ambulance Association and serves as Chair of the Membership Committee for the National EMS Management Association.

Xavier De La Rosa

Chief Clinical Officer

Xavier De La Rosa is the Chief Clinical Officer of Harris County ESD 11 and has more than 17 years of EMS experience. He has held multiple roles with emergency services organizations, including for-profit EMS, 911 EMS, flight medicine and EMS-based fire service. His background includes being a front-line patient care provider, educator and administrator. De La Rosa is a long-time passionate provider of pre-hospital care with compassion. He believes that people can revolutionize EMS by focusing on data- and evidence-based best practices, and most importantly, the passion to pursue excellence with boundless curiosity, unwavering humanity and collaborative leadership.De La Rosa grew up in the Spring, Texas area and is a graduate of Westfield High School. He spent many years as a volunteer firefighter with the Spring Fire Department and has a deep love and affinity for the ESD 11 service area he grew up in. De La Rosacurrently serves as the EMS Liaison on the Pediatric Committee for the Southeast Texas Regional Advisory Council. He is also involved in various EMS organizations including the National EMS Management Association. De La Rosa earned a degree in Emergency Health Sciences from the University of Texas Health Science Center San Antonio and is currently enrolled at Johns Hopkins University for his Master of Business Administration degree, with concentrations in Healthcare Management, Innovation and Technology, and Public and Private Sector Leadership.

Dr. Casey Patrick

Medical Director

Dr. Casey Patrick grew up in Williamsburg, KY and graduated from The University of the Cumberlands in 2000. Following his undergraduate studies, Dr. Patrick received his MD from the University of Kentucky College of Medicine in 2004. In 2007, he completed residency training in Emergency Medicine at Indiana University. Since residency, he has practiced emergency medicine in rural and urban settings, in both community and academic centers. Currently, Dr. Patrick is the Medical Director for ESD 11 Mobile Healthcare and Assistant Medical Director for the Montgomery County Hospital District EMS service. His EMS educational focus has been on innovative paramedic teaching via the podcast medium. Dr. Patrick’s clinical EMS research involves using bolus intravenous nitroglycerin for acute pulmonary edema and the prehospital utility of esmolol in out-of-hospital cardiac arrest. Dr. Patrick completed American Board of Emergency Medicine EMS board certification in 2019 and serves on the EMS1.com
editorial advisory board and the board of directors for the National Association of EMS Physicians, Texas Chapter. Dr. Patrick and his wife, Alyssa, work and live in Conroe, Texas and Spokane, Washington. Together they have five children: Mia, Ainsley, Brock,Dean and Will.