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I personally welcome you to the University of Texas Police at Houston website. Our site provides information about our services and our department personnel. You will have the opportunity to become familiar with our command staff and to read their biographies. You will also find crime prevention information, safety tips and links to several reports.

I invite you to tour our site to familiarize yourself with our services. If you have any questions or need further information, please contact us.

William Adcox - Chief of Police

Command Staff Biographies

William Adcox, Chief of Police and Chief Security Officer

William Adcox has served as the Chief of Police and Chief Security Officer for the University of Texas Police at Houston (UTP-H) since 2004.  The UTP-H protects the University of Texas MD Anderson Cancer Center in Houston and The University of Texas Health Science Center at Houston. Adcox is very proud to lead the UTP-H staff with responsibility spanning law enforcement, security and personal safety services provided by police officers, professional civilians and technical system providers. Since 1994, the UTP-H has been CALEA accredited, receiving its fifth reaccreditation in 2011 as a “Meritorious” law enforcement agency. Additionally, UTP-H was reaccredited by the International Association of Campus Law Enforcement Administrators (IACLEA) in 2011 and has received Texas Police Chief’s Association Law Enforcement Best Practices Recognition.

Chief Adcox is a member of the International Association of Chiefs of Police, Texas Police Chief’s Association, American Society of Industrial Security (ASIS), and ASIS Chief Security Officer (CSO) Roundtable, International Association for Healthcare Safety and Security and Police Executive Research Forum. He serves as a member of the UT Health Science Center at Houston Leadership Council and ASIS CSO Roundtable Leadership and Development Committee. His experience includes 5 years as Chief of Police at the University of Texas at El Paso and 21 years with the City of El Paso Police Department that culminated as Deputy Chief. He holds a Master of Business Administration degree from the University of Texas at El Paso and is a graduate of the Police Executive Research Forum’s Senior Management Institute for Police and the Wharton School ASIS Program for Security Executives. He has been published in the International Association of Chiefs of Police Magazine, Managing Security Today, Law Enforcement Executive Forum, and the Journal of Healthcare Protection Management and has presented at the International Association of Police Chief’s Annual Conferences on various professional topics.

Jeffrey McGregor, Assistant Chief of Police

Assistant Chief of Police Jeffrey McGregor has been with the UT Police at Houston for 30 years. He has held positions as a Police Officer, Sergeant, Lieutenant, and Captain for Field Operations, Criminal Investigations, Communications, Crime Prevention, Technical Services, Information Systems and Project Development. Assistant Chief McGregor is responsible for oversight of the Operations Bureau providing overall direction and coordination of all emergency and non-emergency law enforcement and security protection services at both MD Anderson Cancer Center and The University of Texas Health Science Center.

PROFESSIONAL ACCOMPLISHMENTS

  • Key leadership role in the preparation, ride-out and recovery for police/protection operations during Tropical     Storm Allison and Hurricanes Rita, Katrina and Ike. UTPD received institutional recognition from executive leadership.
  • Oversaw UTPD’s Commission on Accreditation for Law Enforcement Agencies (CALEA) re-accreditation.
  • Coordinated numerous successful multi-personnel task force operations culminating in major arrests.
  • Developed the 2010 South Campus Action Plan.
  • Management of the implementation of Printrak LiveScan AFIS Technology system resulting in thousands of staff hours saved in prisoner and employment processing.
  • Reorganization of the Evidence Handling and Storage Operations creating a Best Practice model.
  • Participated in creating UTPD Promotional Assessment Center and served as the subject matter expert during this process in 2010 in New Orleans, LA.
  • Developed a Performance Evaluation Matrix for guard and police officer personnel providing specific guidance to ensure accurate and fair employee performance evaluations.
  • Managed the investigation of a primate escape and destruction resulting in an equitable assessment from the public and improved collaboration and training with all involved parties.
  • Architect in the transformation of the Criminal Investigations Unit that was recognized by the UT System as a best practice model.
  •  First Commander of the UTPD-Houston’s Special Operations Center.
  •  Planned, coordinated and oversaw the security and movement of high profile dignitaries.
  • Active involvement in several institutional committees as UTPD’s representative: emergency management for MD Anderson and UT Health Safety Committees, the Texas Medical Center Security council, the UT Health Institutional Compliance and the UT Health Diversity Council, UT South Research Park Campus Governance Committee
  • Assessed, corrected and oversaw the transfer of the Lock Shop to MD Anderson Campus Operations.
  • Assistant Chief McGregor was instrumental in developing one of the most comprehensive health and wellness programs for law enforcement personnel in the Houston and Gulf Coast Region which helped police personnel understand and be aware of the importance of proper diet, medical examinations, and physical activity.


Assistant Chief McGregor is a Master Police Officer, TCLEOSE Police Instructor, Certified Physical Fitness Instructor, Crisis Intervention Team Specialist, Certified Field Training Officer, Certified Public Manager, Certified Mental Health Police Officer and a Certified Crime Prevention Specialist. He is a graduate of the Law Enforcement Management Institute of Texas Leadership Command College, the FBI National Academy, and the Police Executive Research Forum, Senior Management Institute Program.

Assistant Chief of Police Jeffrey McGregor has successfully completed National Incident Management System (NIMS) Intermediate Incident Command System (ICS) 300 and Advance ICS 400 training.  He also holds a Bachelor of Science degree from Excelsior College.

Edward Cavazos, Director

Director Edward Cavazos has been with the UT Police since October 2006. Director Cavazos came to the UT Police at Houston to transition the single channel police radio system to a federally approved 700-800 MHz interoperable public safety radio system as well as implement the Police Administrative and Support Services (PASS) Bureau. The Administrative Services functions of the PASS includes; Budget, Procurement, Personnel, Payroll, Records, Training, Open Records Requests, Strategic Planning, Security Risk Assessment and Mitigation, Electronic Security and Access Control System (ESACS) Standards and Specifications, ESACS Design, and Security Project Support. The Technology and Support Services functions include; Police Telecommunications, ESACS Technical Services and Support, Risk Operations and Management, Management and Control of Capital and Material Assets, Property and Evidence, as well as Fleet Management.

Director Cavazos came to the UT Police after 29 years of service with the El Paso Police Department and a brief retirement. Of his 40 plus years in law enforcement, he has 27 years of experience in management of which 13 years are in administration/executive leadership. His previous assignments included: Patrol Operations, Traffic Operations and Investigations, Training, Police Telecommunications, Community Services, Juvenile Investigations, Criminal Investigations, Task Force Command, and Regional Commander.

In addition to his activities as a commissioned police officer, Director Cavazos also was active in the El Paso Municipal Police Officer’s Association (EPMPOA) and held a seat on the Board of Directors. His last four years was as the President of the EPMPOA managing the business operations as well as his leadership regarding the various labor-management issues and contract negotiations. He also was a member of the Board of Directors for the El Paso Police Supervisor’s Association rising to the position of Association President. His extracurricular involvement also include two terms as a member of the Board of Trustees for the El Paso Police- Fire Pension Fund which oversees a multi-million dollar fund for retired El Paso Police Officers and Firefighters.

Director Cavazos is an independent Assessor for police departments that use this law enforcement promotion process. As an Assessor he has participated as a Reviewer and Feedback Advisor for ranks ranging from Corporal to Chief of Police. He was directly instrumental in the implementation of the Assessment Center process into the promotional process for the ranks of Sergeant, Lieutenant, and Captain for the UT Police at Houston.

Director Cavazos holds a Bachelor of Science Degree in Criminal Justice Administration from Park University, Parkville Missouri. He is a graduate of the FBI National Academy and is a certified Master Police Officer by the Texas Commission for Law Enforcement Standards and Education (TCLEOSE). As a TCLEOSE Police Instructor he has instructed at a variety of training facilities, to various police and community groups regarding; traffic law and accident investigation, juvenile operations and programs, community policing and community services, supervision, management, leadership, and organizational change.

He is a member of the FBI National Academy Associates, the International Association of Chiefs of Police, the Texas Association of College and University Police Administrators, the International Association for Healthcare Safety and Security, ASIS International, the National Fire Protection Association,

He resides with his wife of more than 45 years and has one adult son.

David Norman, Associate Director 

Associate Director Norman joined the UTP-H in October 2007 to support the Police Administrative and Support Services Bureau overseeing technology, technical services, access control, police telecommunications, asset, property and evidence management and control, as well as the management of our fleet. He is currently the project director of several critical projects including the purchase and installation of an 800 MHz radio system and a new CAD/RMS system.

Mr. Norman has over 30 years of experience in law enforcement, retiring from the City of El Paso Police Department as the Commander of the Directed Investigations Division. During his career, he was responsible for major task forces and criminal investigations in public corruption, narcotics, auto theft, and vice.  He was also responsible for overseeing intelligence and crime analysis units including Patrol Operations, General Investigations and Special Investigations (Vice, Intelligence, and White Collar crimes), and Internal Affairs Investigations. He has a TCLEOSE Intermediate Instructor Certificate and a DPS Crime Scene Investigator certificate skilled to identify, collect and process multiple types of evidence from crimes scenes. He also received a Basic Data Recovery certification and attended the DEA Narcotic Unit Commanders Course in Quantico, VA. Additionally he was instrumental in the development and installation of the Computer Aided Dispatch (CAD) / Records Management System (RMS), Mobile Data Terminal (MDT), and the 800 MHZ radio and data systems.

Mr. Norman has a Bachelor of Science degree in Electrical Engineering. His areas of instructional expertise include narcotics investigations, use of informants, supervision, management, and internal personnel investigations for discipline and corruption cases.

Ray Gerwitz, Associate Director 

Associate Director Gerwitz joined UTP-H in February 2007 as a Support Service Analyst. He has over 20 years of experience in the law enforcement and security industry.  This includes public service, prior to his arrival at UTP-H.  He served briefly in the U.S. Air Force where he rose to the rank of Sergeant (E4) and with the Dallas Police Department, where, after 7 years of service he left to start his own business.  His business centered on law enforcement and electronic security systems and processes.  Since his arrival at UTP-H he has been promoted on three occasions including Project Manager, Security Risk Operations Manager, and most recently to his current position.  He has been instrumental in the UTP-H pursuit to enhance its service delivery and support through the areas of corporate security and law enforcement technology to develop a combined protection model. He specifically oversees the Police Communications Center (the foundation for a Global Security Operations Center), Technical Services, and the Security Risk Mitigation and Operations teams, which are focused on risk assessment determinations to provide needed electronic security on all UT properties associated with the Houston member institutions.
Mr. Gerwitz is responsible for the Technology Steering Committee (in partnership with Institutional Technology).  Through this collaboration, all departmental technology governance and strategic planning is reviewed and prioritized.  Under his leadership, this important process allows UTP-H to ensure all technology programs are properly aligned with departmental and institutional goals. Additionally, as an extension of this effort, he serves as the departmental liaison with institutional and external technology partners.
Mr. Gerwitz is a graduate of Oklahoma State University and holds a Bachelor of Science in Computer Science, Masters of Science in Telecommunications Management and Masters of Business Administration.

Vickie Weatherspoon, Captain

Captain Weatherspoon has served with the UT Police for 27 years. She has held positions as a Police Officer, Criminal Investigator, Sergeant, and Lieutenant in Field operations. She is a Master Police Officer, Police Instructor, Crisis Intervention Team Specialist, Certified Public Manager and has advance training in the Incident Command System 300 & 400.

Captain.Weatherspoon, as a Sergeant and Lieutenant for more than twenty years, has successfully supervised mentored and counseled Guards, Senior Guards, Police Officers Sergeants, and Lieutenants.

She is CPR/AED and First Aid Instructor for the department for 18 years, ASP Baton Instructor for 15 years. She holds an instructors certification and master certification from The Coopers Institute for Aerobics Research and has been a Physical Fitness Instructor for the department for over 12 years. She has PPCT Spontaneous Knife Defense Instructor Certification from Sugar Land Police Department. She participated in establishing the first Self Defensive Tactics Training at UTPD where she assisted in the training program for over ten years.  She has also successfully completed National Incident Management System (NIMS) Intermediate Incident Command System (ICS) 300 and Advance ICS 400 training.

She holds a Bachelor of Science degree with honors from Capella University in Business Management and Leadership.  

Yolanda Siggers, Captain

Captain Yolanda Siggers currently serves as the Special Operations Commander for the University of Texas Police at Houston . She has worked in law enforcement for 20 years. Captain Siggers earned certification as a Crime Prevention Inspector in 1996. She has represented the Department at various Crime Prevention and community events to include National Night Out, The Houston Children’s Festival, various job fairs, and holiday events.

While assigned to patrol, Captain Siggers has also served as a certified Child Passenger Safety Seat Inspector receiving certification in 2000. She has worked as a certified Field Trainer beginning in 1996 and has supervised Field Training as the Field Training Sergeant in 2005. Captain Siggers received her TCLEOSE Master Peace Officer Certification in 2006. Before being promoted to the rank of Lieutenant in 2008, she was assigned to Professional Standards as the Accreditation Manager. Captain Siggers has been a TCLEOSE certified instructor for 11 years and is an experience instructor in Cultural Diversity. After 20 years of service, Captain Siggers retired from the Texas Air National Guard in 2007.

Captain Siggers received a Bachelor of Business Administration degree from the University of Phoenix in 2006. In 2008, she received a Master of Business Administration degree in Public Administration also from the University of Phoenix. In March of 2010, Captain Siggers received official recognition as a Certified Public Manager.  She has also successfully completed National Incident Management System (NIMS) Intermediate Incident Command System (ICS) 300 and Advance ICS 400 training.

Doran Preacher, Captain

Captain Preacher is a twenty year veteran of the UTP-H and a Master Peace Officer. He has served in numerous capacities while employed with UTP-H. He served as the Training Coordinator for the police officers for approximately two years. He served as the Internal Affairs Sergeant for approximately three years. He served as the Lieutenant South Region Evening Shift Commander for over a one year. Captain Preacher is the Commander for the North Patrol Region.

Captain Preacher is a member of the International Law Enforcement Educators and Trainers Association (ILEETA). He is a graduate of the SHSU Certified Public Manager Program and is a Certified Public Manager. Captain Preacher is a 2007 graduate of the Institute for Law Enforcement Administration’s (ILEA) Center for Law Enforcement Ethics and is a certified Ethics Instructor. Captain Preacher has Advanced Incident Command System certification. Captain Preacher has been a TCLEOSE certified instructor for thirteen years. He is a TCLEOSE certified Firearms Instructor and Crime Prevention Specialist. He has also successfully completed National Incident Management System (NIMS) Intermediate Incident Command System (ICS) 300 and Advance ICS 400 training.

Captain Preacher is a studying martial artist who has achieved the rank of black belt and has represented the department in the Texas Police Olympics, in which he was a three time medalist in varying martial art divisions. He also holds certifications in numerous law enforcement defensive tactics/arrest control technique lethal & less than lethal systems and disciplines. Captain Preacher has been published in law enforcement professional journals such as The Ileeta Chronicle. He has also instructed numerous other law enforcement related courses including Use of Force, Cultural Diversity, Liability & Civil Rights issues, Recognition and Prevention of Sudden Custody Death Syndrome, Customer Service, First Line Supervision, and High Performance Management.

   

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