Board of Directors, Committees, and Staff

Officers 2024-2025

Chair

Gabe Villarreal, P.E.

HDR

gabriel.villarreal@hdrinc.com 210.841.2921

Chair-Elect

John Colquhoun, P.E.

BGE, Inc.

jcolquhoun@bgeinc.com 210.581.3600

Secretary/Treasurer

Taylor Allen, P.E.

WGI

Taylor.Allen@wginc.com 210.860.9224

Immediate Past Chair

Ryan Sowa, P.E.

Kimley-Horn & Associates, Inc.

ryan.sowa@kimley-horn.com 210.321.3414

ACEC Texas Directors – San Antonio

Chair, ACEC Texas

Dawn Green, P.E. – KCI Technologies, Inc.

dawn.green@kci.com  210.641.9999

Director, ACEC Texas

James Lutz, P.E. – Pape-Dawson Engineers

jlutz@pape-dawson.com  210.375.9000

Past Chair, ACEC Texas

Derek Naiser, P.E. – Ardurra

dnaiser@ardurra.com  210.822.2232

Directors/Committee Chairs

Bexar County Liaison Committee

Adrian Rangel, P.E.

Garver

ARangel@GarverUSA.com 210.447.6264

CoSA and Engineer Consultants Committee (CECC)

Mark Medina, P.E.

Moreno Cardenas, Inc.

MMedina@morenocardenas.com 210.314.3553

Land Development Committee

Vance Weynand, P.E., PMP

DHI Engineering

VLWeynand@dhiengineering.com  210.582.0811

Local Advocacy Committee (LAC)

Mike Frisbie, P.E.

Raba Kistner, Inc.

mfrisbie@rkci.com  210.380.9256

Transportation Committee

Erin Gonzales, P.E.

BGE, Inc.

EGonzales@bgeinc.com 512.879.0425

Water Committee

Jesse Guerra, Jr., P.E.

Plummer

jguerra@plummer.com 210.854.7649

Executive Director

Naomi Miller

naomi@acectx.org  210.273.9004