Pasadena Independent School District

Stewart Russell graduated from Sam Houston State University with a Bachelor's Degree in Finance in 1991.  He then received his Basic Certification from the Police Academy of the University of Houston and joined the Pasadena Independent School District Police Department in 1992.  As a Patrol Officer, Stewart was assigned duties in patrol and as a school-based officer.  In 1999, Stewart was promoted to the rank of Sergeant.  As a Sergeant he served in patrol, training, dispatch, as well as recruiting and investigations.  Stewart has been a FTO, Detective, Internal Affairs Investigator, TCOLE Instructor, Firearms Instructor, and TCOLE Training Coordinator.  From 2001 to 2011, Stewart was assigned to the Pasadena Police Special Weapons And Tactics team.  Stewart graduated from the Bill Blackwood Law Enforcement Management Institute of Texas in 2004 and was selected as Chief of the Pasadena Independent School District Police Department in 2011.  Stewart is the Texas School District Police Chiefs’ Association Region 2 Director.

Captain David A. Garza

Captain Garza has served as a Texas Police Officer since 1993 and has proudly served his entire career with the Pasadena Independent School District Police Department.  Captain Garza served as a K-9 explosives handler for the Department prior to his promotion to Sergeant.  He is Team Leader of the department's Crisis Negotiations Team. 

Capt. Garza began his career by receiving extensive gang awareness training, which allowed him to educate others on the dangers of gangs.  He was also a DARE Instructor for two years and was a member of the Bike Patrol Unit. He has been the President of the P.I.S.D. Police Officers Association for 15 years and was selected as the Officer of the Year, 2000/2001.  He was promoted to the rank of Sergeant on 05-12-04 and served as Patrol Supervisor and Administrative Sergeant. David served three consecutive terms on the Board of the Texas Municipal Police Officers Association.  He holds a Master Peace Officer Certification and is a TCOLE Instructor specializing in patrol operations. David is a graduate of the A.L.I.C.E. instructor program and has been instrumental in the development and overseeing the training program. He was promoted to the rank of Captain on 2-7-12 and oversees Patrol, Detectives, Fleet, Special Assignments, Records Management and The Crossing Guard Supervisor.

Captain McMahan joined the PISD PD as a Dispatcher in January 2002. He received his Basic Certification in Law Enforcement from Houston Community College. He joined the P.I.S.D. P.D on July 16, 2003. He has also been selected as the 2009 Officer of the Year. Bill is a certified Hostage/Crisis Negotiator for the department's Crisis Negotiations Team and a graduate of the FBI-LEEDA Trilogy program. Bill holds a Masters Peace Officer License, is TCOLE Instructor, has served as a Field Training Officer, Firearms Instructor and Defensive Tactics Instructor for the department. Effective August 22, 2011, Officer McMahan was assigned to the position of Detective. He was promoted to Sergeant on May 29, 2012, and assigned to Patrol. He was promoted to Captain June 01, 2015 where he oversees, Administrative Services, Policy Management, Telecommunications, and Training.