Katy ISD Police Department Command Staff

  • Henry Gaw

    Chief of Police

    Chief Henry Gaw, a native Houstonian, began his law enforcement career with the Houston Police Department (HPD) in 1994.  Chief Gaw's first police assignment was on patrol, patrolling the north and central neighborhoods of Houston.  Chief Gaw ascended through the ranks and was promoted to Assistant Chief of HPD in March 2017.  Chief Gaw is proud to have served HPD for 26 years, and now the Katy Independent School District Police Department, because he is living out his calling to serve and protect the community.  Chief Gaw has had a very blessed career with the Houston Police Department, having served in many different leadership roles and assignments-- Patrol, Investigations, Administration, and over the Command Offices of Patrol Support and Patrol Region 1.  Chief Gaw is a strong proponent of Relational Policing and strives for strong relationships and partnerships between the community, private sector businesses, and other law enforcement and governmental agencies to leverage resources and maximize output to achieve the best results for the overall safety of the Katy ISD community. 

    Chief Gaw obtained his undergraduate degree in Political Science from the University of Houston and his Master’s Degree in Strategic Leadership from Mountain State University.  Chief Gaw is a member of the Texas School District Police Chief's Association, Houston Area Police Chief's Association, and the Police Executive Research Forum.  Chief Gaw holds a Master Peace Officer certification from the Texas Commission on Law Enforcement (TCOLE), and is a graduate of the Senior Management Institute for Police (SMIP) program.

    Henry and his wife, Melinda, are proud parents of their two sons, Trey and Jack.

    Ivan B. Nelson, LCC

    Captain-Support Services Bureau

    Captain Ivan B. Nelson hails from Corpus Christi, Texas.  Captain Nelson began his career in Law Enforcement in 1986 with the Nueces County Sheriff's Department in Corpus Christi.  He relocated to Katy, Texas in May 2000. 

    Captain Nelson joined the Katy ISD Police Department in June 2000 where he has served in various roles within the Department, including D.A.R.E./P.O.W.E.R. Instructor, Community Service/D.A.R.E. Supervisor, Campus Officer, Field Training Officer, Patrol Corporal, Patrol Shift Sergeant, Captain of the Operations Division, and his current assignment as Captain of the Support Services Division.

    Captain Nelson has completed FBI-LEEDA Command Leadership Institute and FBI-LEEDA Executive Leadership Institute courses. 

    Captain Nelson is also a graduate of the Bill Blackwood Law Enforcement Management Institute Leadership and Command College, holds a professional designation of LCC, and has a Master Peace Officer certification through TCOLE. ​

    Ruben Martinez

    Emergency Management Coordinator 

    Mr. Ruben Martinez began employment with Katy ISD in December 2017 as the Emergency Management Coordinator with duties that include developing and implementing a district-wide, all hazards, emergency response plan while facilitating campus safety and security reviews as required by state law and local policies.  Mr. Martinez also coordinates district emergency responses; provides district staff training in security and emergency management and establishes liaison for district emergency efforts with surrounding municipalities.

    Mr. Martinez is originally from El Paso, Texas.  He is a graduate of Texas A&M University and retired at the rank of Lieutenant Colonel after serving 24 years with the United States Marine Corps.