Staff

Administration

Earl Foster
MBA, General Manager
With LMUD Since 2006
(512) 261-6222 ext 140
ef*****@********ud.org		Loyd Smith
Finance/Administration Manager
With LMUD Since 2012
(512) 261-6222 ext 150
LS****@********ud.org		Christianne Castleberry
P.E., LMUD Engineer
With LMUD Since 2007		Stephanie Threinen
CPC, Public Information Liaison
With LMUD Since 2017
(512) 261-6222 x175
st****@********ud.org
Vanessa Farrell
Accounting Specialist
With LMUD Since 2010
(512) 261-6222 ext 120
vf******@********ud.org		Rachel Stewart
Billing Specialist
With LMUD Since 2021
(512) 261-6222 ext. 130
rs******@********ud.org		Angie Norton
Customer Service Assistant
With LMUD Since 2013
(512) 261-6222 ext 110
AN*****@********ud.org		Hillary Bates
Billing/Customer Service Assistant
With LMUD Since 2025
(512) 261-6222 ext 160
HB****@********ud.org

Field Customer Service Group

Brandon Williams
Field Service Technician/Field Maintenance
With LMUD Since 2021		Mario Rivera
Field Maintenance/Backup Field Service Technician
With LMUD Since 2022

Potable Water Department

Rafael “Raf” Mendoza
Treatment Operations Manager
With LMUD Since 1998
Office: (512) 261-5100
RM******@********UD.com		Kyle Wilds II
Assistant Water Supervisor
With LMUD Since 2017
Tony Resendiz
Water Operator
With LMUD Since 2000		Jacob Alaniz
Water Operator
With LMUD Since 2018
Brandon Garcia
Water Operator
With LMUD Since 2025

Wastewater / Water Reuse Department

Shannon Henderson
Wastewater Supervisor
With LMUD Since 2019
Office: (512) 261-9870
SH********@********UD.org		David Ybarra
Assistant Wastewater Supervisor
With LMUD Since 2007
Rafael Suarez
Wastewater Operator
With LMUD Since 2016		Chris Galvan
Wastewater Operator
With LMUD Since 2019
Todd Herzog
Wastewater Operator
With LMUD Since 2022
Travis Massingill
Wastewater Operator
With LMUD Since 2025

Field Maintenance Department

Cyprain “Cy” Ndefung
Field Operations Manager
With LMUD Since 2019
Office: (512) 261-5810		Zach Trippe
Field Supervisor I&I/Maintenance
With LMUD Since 2010
Office: (512) 261-8700		Carlos Sosa
Field Maintenance
With LMUD Since 2019		Brandon Williams
Field Service Technician/Field Maintenance
With LMUD Since 2021
Mario Rivera
Field Service Technician/Backup Field Maintenance
With LMUD Since 2022		Nayay Kokan
Field Maintenance
With LMUD Since 2023		Efrain Rodriquez
Field Maintenance
With LMUD Since 2023		Hilario “Lyle” Vega
Field Maintenance
With LMUD Since 2024
Reuben Jass
Field Maintenance
With LMUD Since 2024		Matthew Steck
Field Maintenance
With LMUD Since 2025		Duc Vu
Groundskeeper
With LMUD Since 2012