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Gary Westbrook

Gary Westbrook

General Manager


Gary began work for the District in June of 2003 as General Manager. He graduated from Sam Houston State University with a Bachelors of Science in Agriculture Education. Gary served as President of the Texas Alliance of Groundwater Districts from 2005-2007 and serves as the District’s voting representative to Groundwater Management Area 8, as well as the voting representative for Groundwater Management Area 12 on the Brazos G Regional Water Planning Group.

Gary has been married to Mrs. Glenda Westbrook since 1980, and they have four children and two grandchildren. Gary and Glenda grew up and currently reside in Milano. They own land in Milam County, as well as Westbrook Angus Farms, which was founded in 1969 by Gary and his father, the late Garland Westbrook. Gary has also served as a local pastor in the United Methodist Church since 1999.

Bobby Profile

Bobby Bazan, Jr.

Water Resources Management Specialist


Bobby has worked for the District since Jan 2013. He has a Bachelor of Science in Agricultural Systems Management and a Masters of Science in Water Management from Texas A&M University. Bobby previously worked for the US Forest Service Research as a Hydrologist. (Habla Espanol)

Doug Box

Education Coordinator


Doug began working at POSGCD in May 2018. Doug brings 22 years experience as Executive Director of Texas Professional Photographers Association to POSGCD. He is a storyteller, photographer, videographer and professional speaker. Doug attended Texas Lutheran University and Blinn College where majored in Chemistry and Marketing.

Craig Anderson

Craig Andrews

Field Technician


Craig Andrews, is the newest member of the POSGCD Monitor Team. He is working to assist Bobby Bazan as we increase the monitoring and beggining checking flow rates of non-exempt wells in the district.

Craig was born and raised in Georgetown, TX area. Craig spent a good portion of his formative years raising cattle, goats and sheep which he continues to this date. He began working in groundwater in 2000 as a field tech doing groundwater monitoring, drilling projects and well investigations for RW Harden and Assoc in Austin. He began helping at Post Oak Savannah GCD at the start of 2020.

Jeff Fisher

Field Technician

jfisher@posgcd.org Jeff Fisher Field Tech Jeff Fisher has joined POSGCD as our newest Field Tech joining Craig Andrews and Bobby Bazan, our Water Resources Management Specialist as a part of our monitoring team. Jeff is Rockdale native who attended Rockdale High School. Jeff graduated Temple Junior College with an associate’s degree in Criminal Justice. He also studied Aviation Science and received his Pilot Ratings in 1991. He completed his BS Degree in Criminal Justice/Police Science with a minor in Psychology at Sam Houston State University. Jeff worked for the Texas Department of Criminal Justice as a Correctional Officer, and an Institutional Parole Officer from 1992-1997. Jeff served the public as a state trooper from 1997-2007. Jeff was promoted from Trooper to Pilot Investigator from 2007 – 2019. He served as an Air Evac Life Team Pilot responsible for air medical transportation of infirmed individuals as well as trauma victims from 2019-2020. Just recently he worked with Central Texas Auto Supply before joining Post Oak Savannah GCD. .

Courtney Gentry Profile

Courtney Jentry

Administrative Assistant

Courtney Jentry Mrs. Gentry is a Rockdale native and resides there with her husband J. D. Courtney is the daughter of Jeff and Monique Gebhart of Rockdale. Courtney attended Austin Community College and earned a Phlebotomy Certification. Courtney has a work history of customer service and understanding the requirements of regulation as her previous jobs included working at the Blood and Tissue Center in Austin and the Gulf Coast Regional Blood Center in Bryan/College Station, as well as Fresenius Dialysis in Bryan, TX as a Patient Care Technician where she worked directly with patients. Her most recent job was with Boon-Chapman in Austin as a Senior Specialist where she administered COBRA for employer groups. As an Administrative Assistant for POSGCD, Courtney will work with Elaine Gerren who has assumed the position of POSGCD Office Manager. Courtney will be the prime contact with the public at the office and on the phone.

Michael Redman

Regulatory Compliance Specialist

Michael Redman Michael began working at POSGCD in July 2022. Michael received a Bachelor's of Science in Biology: Environmental studies and a Master's in Business Administration from Schreiner University. Michael worked at Bandera County River Authority & Groundwater District from June 2013 to June 2020 where he served as the Region J Representative and he served as the Groundwater Management Area (GMA) 9 Designated Representative. From June 2020 to June 2022, Michael worked at Barton Springs Edwards Aquifer Conservation District where he served as the GMA 10 Chairman and he served as the Region K Representative for GMA 10.

Kelli Timmerman

Office Manager/Bookkeeper

Kelli Timmerman Kelli Timmerman is a hard-working professional with 15 years of experience in accounting and bookkeeping in various industries, including nine years with municipal water/wastewater departments. She was raised in Rockdale where she attended Rockdale High School, Blinn College and Temple College. She enjoys being a mom and is a foodie that enjoys hanging out with family and friends, working in her yard and is obsessed with her pug Tito. She was employed with the City of Rockdale and Round Rock in the Water/Wastewater Maintenance departments. She has helped local businesses Brett’s Backyard BBQ, Real Estate by Kathryne and Caffey Corner doing bookkeeping duties. Kelli was also a Bookkeeper for Butler Weldments in Cameron and KJZT Family Life in Austin. Her skills in QuickBooks and Microsoft programs will be a perfect fit at Post Oak Savannah GCD. Her passion for Customer Service and detail-oriented personality will be appreciated by the landowners and everyone she works with at POSGCD.

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