BGrubbs (2)

Brian Grubbs, LEADRS Program Manager:

Brian Grubbs is currently the Program Manager for the Law Enforcement Advanced DWI/DUI Reporting System (LEADRS). Brian Grubbs has been a police officer since 1998, 10 years as a patrol supervisor and holds an Master TCOLE certification.

Grubbs has participated in numerous scientific studies involving alcohol impairment as an instructor, observer, and as a participant. These studies involved dosing several individuals with a known amount of alcohol and documenting the signs and symptoms of impairment at different BAC levels. During these studies, Grubbs was responsible for correctly determining or instructing students how to correctly determine if an individual was intoxicated the results of which were supported by breath or blood alcohol tests.

Grubbs has participated in numerous scientific studies involving drug impaired individuals under the influence of legal and illegal drugs. These studies involved conducting evaluations on drug impaired individuals in order to correctly determine if the individual was intoxicated. These determinations were supported by toxicology results.

Grubbs has personally instructed over 3500 police officers, highway patrol troopers, and sheriff’s deputies on impaired driving investigations to include, report writing, DWI investigations, courtroom testimony, SFST’s and overcoming defense challenges.

Grubbs has spoken at several traffic safety conferences around the United States concerning the solutions to impaired driving investigation and prosecution issues.
Grubbs has attended numerous courses concerning expert testimony on drug and alcohol impairment by todays leading toxicologist.

Grubbs worked at the Texas Municipal Police Association as the DWI Project Coordinator on behalf of the National Highway Traffic Safety Administration and the Texas Department of Transportation. Grubbs’ duties included representing law enforcement to the state of Texas and NHTSA concerning issues involving impaired driving.



Jerard Collins, LEADRS Assistant Program Manager And Lead Specialist:

Jerard Collins is the LEADRS Assistant Program Manager. Jerard attended Sam Houston State University from 2006 to 2010 with a major in political science. He was a full time peace officer with the Huntsville Police Department from 2013 to 2017 and currently is a reserve officer with the department. During his time with Huntsville PD, Jerard focused on DWI enforcement earning the MADD Heroes of the Highway Award for 2015 & 2016. He was also accommodated as the Huntsville Police Department Officer of the Year in 2015. Jerard has been certified as an Intoxilyzer Operator and has attended ARIDE training on several occasions. He currently holds a Basic & SFST instructor certification as well as an Intermediate Peace Officer Certification. During his time in the field, he has used the LEADRS system extensively and entered over 200 DWI arrest into the system.


Jimmy Rodriguez, LEADRS Specialist:

Jimmy Rodriguez is a new member to the program and is a LEADRS (Law Enforcement Advanced DWI/DUI Reporting System) Specialist.

Jimmy attended the University of North Texas in Denton with a major in Communication Design. He graduated from the University of North Texas Police Academy in 2002 as a certified Texas peace officer. Upon completion of the academy, Jimmy was hired by the Keller Police Department where he worked from 2002 to 2018.

During his 15-year career with Keller PD, Jimmy earned Officer of the Year, was a certified Bike Patrol Officer, Hostage Negotiator Team Leader, Field Training Officer, Field Training Officer Instructor, and earned his Master Peace Officer certification.

Keller PD adopted LEADRS in 2009 for all DWI arrests. Jimmy led the department in DWI arrests during this time frame, accumulating over 400 arrests in his career.


Catarina Bellenir, LEADRS Program Analyst: Kitty.jpg

Catarina is the Program Analyst for the LEADRS. She has attended the University of Colorado Denver and is a graduate of Stephen F. Austin University. Catarina is a former employee of the Williamson County Sheriffs Office where she worked as a Corrections Officer and Medical Officer from 2010 through 2013.