President

Robert O. Valenzuela, P.E., CFM

Director of Public Works

City of Sugar Land

281-275-2450

rvalenzuela@sugarlandtx.gov

President-Elect

Marcel Khouw, P.E.

Project Manager

IDS Engineering Group, Inc.

713-462-3178

mkhouw@idsengineeringgroup.com

Jeremy Austin, P.E., LEED AP

Senior Project Manager

Halff Associates

713-380-4354

jaustin@halff.com

Long Nguyen, P.E. 
Public Works Team Leader 
Halff Associates, Inc. 
936-777-6379 
lnguyen@halff.com

Past President

Blake Grappe
Business Development Manager 
Uretek ICR Gulf Coast
281-894-4990
blakeg@Uretek-gulfcoast.com

Trustee

Wendell Smith

Field Supervisor

City of Houston

832-395-4746

wendell.smith@houstontx.gov

Trustee

Michael Leech

Director of Public Works

City of Bellaire

713-662-8170

mleech@bellairetx.gov

Trustee

David Warner, P.E.
Project Manager 
Jones and Carter 
281-363-4039
dwarner@jonescarter.com

Trustee

Robert Upton, P.E.

Director of Engineering

City of Pearland

281-652-1641

rupton@pearlandtx.gov

Trustee

Andrew Brady, MBA, CPM

Assistant Director

City of Houston

832-395-5262

andrew.brady@houstontx.gov

Assistant Treasurer

David Van Riper

Assistant Director of Public Works

City of Pearland

281-652-1919

dvanriper@pearlandtx.gov

Assistant Secretary

Rebekkah Sandt, PE 

Project Manager 

HR Green, Inc. 

713-338-8013 

rsandt@hrgreen.com