Staff
Seattle Office
701 Fifth Ave, Suite 1600
Seattle WA 98104
Dallas Office
1301 Young Street, Room 840
Dallas TX 75202
DES provides comprehensive multi-disciplinary Project Management, Architecture and Engineering, and Acquisition Management Services. Our offices are located in Seattle and Dallas and our talented and experienced team is comprised of project managers, architects, engineers (civil, structural, environmental, mechanical, and electrical), contract specialists and lease contracting officers.
Director's Office
| Staff Member | Title | Phone | Location |
|---|---|---|---|
| Michael Weaver, PE | Director (Civil) | 206-615-2460 | Dallas |
| Michelle Gettsy | Administrative Officer | 206-615-2471 | Seattle |
| Carolyn Jones | Secretary | 214-767-3518 | Dallas |
| Barbara Tulloch | Administrative Officer | 214-767-3493 | Dallas |
| Andre Tyson | IT Administrator | 206-615-2787 | Seattle |
Project Management
| Staff Member | Title | Phone | Location |
|---|---|---|---|
| Denman Ondelacy, P.E. | Deputy Director (Civil) | 206-615-2451 | Seattle |
| Frank Chua, P.E. | Civil | 206-615-2447 | Seattle |
| Scott Fillerup, P.E. | Mechanical | 206-615-2781 | Phoenix |
| Bruce Kemmet, PE | Civil | 214-767-8368 | Dallas |
| Robb McClain, R.A. | Architect | 214 767-1322 | Dallas |
| Matthew Mergenthaler, P.E. | Civil | 206-615-3795 | Seattle |
| Tom Plummer, P.E. | Civil | 214-769-7708 | Albuquerque |
| Michael Young, PE | Civil | 206-615-2489 | Seattle |
Architecture and Engineering
| Staff Member | Title | Phone | Location |
|---|---|---|---|
| Denman Ondelacy, P.E. | Acting Deputy Director (Civil) | 206-615-2451 | Seattle |
| James Aberle, AIA | Architect | 214-767-4246 | Dallas |
| Alex Gamble, AIA | Architect/Sustainability | 206-615-2533 | Dallas |
| Guibin (Nick) Lu, SE | Civil/Structural | 206-615-2459 | Seattle |
| Paul Ninomura, PE | Mechanical | 206-615-2095 | Seattle |
Acquisition Management
| Staff Member | Title | Phone | Location |
|---|---|---|---|
| Melissa Warmath | Deputy Director / Chief of OEHE Acquisitions | 214-767-3517 | Dallas |
| Andrew Hart | Supervisory Contracting Officer - Seattle | 206-615-2453 | Seattle |
| Jennifer Scroggins | Supervisory Contracting Officer - Dallas | 214-767-6613 | Dallas |
| Nicholas Aprea | Contract Specialist - Federal Acquisition | 214-767-5255 | Dallas |
| Kelly Britton | Contract Specialist - Federal Acquisition | 602-364-5081 | Phoenix |
| Daniel Cotto | Contract Specialist - Federal Acquisition | 206-615-2790 | Seattle |
| Drew Cranford | Contract Specialist - Federal Acquisition | 214-767-8675 | Dallas |
| Jeffrey Haubenreiser | Contract Specialist - Federal Acquisition | 214-767-8588 | Dallas |
| Toby Hayden | Contract Specialist - Federal Acquisition | 503-414-5524 | Portland |
| Taylor Kanthack | Contract Specialist - Federal Acquisition | 206-615-2805 | Seattle |
| Erik Lundstrom | Contract Specialist - Federal Acquisition | 206-615-2782 | Seattle |
| Robert Miller | Contract Specialist - Federal Acquisition | 214-767-8589 | Dallas |
| Matthew Sanders | Contract Specialist - Federal Acquisition | 206-374-7302 | Seattle |
| Shaukat Syed | Contract Specialist - Federal Acquisition | 214-767-3934 | Dallas |
| Thupten Tsering | Contract Specialist - Federal Acquisition | 206-615-2452 | Seattle |
| Robyn Red Tomahawk | Contract Specialist - Self-Governance | 214-767-8587 | Dallas |
| Crystalynn Rogers | Contract Specialist - Self-Governance | 214 767-0388 | Dallas |
| Monica Weaver | Contract Specialist - Self-Governance | 240-460-1869 | Dallas |
| Trina McBride | Lease Contracting Officer | 214-767-3999 | Dallas |
| Malachi Nance | Lease Contracting Officer | 214-767-0422 | Dallas |
| Ryan Siglock | Lease Contracting Officer | 214-767-1114 | Dallas |
