Staff

Seattle Office

701 Fifth Ave, Suite 1600
Seattle WA 98104

Dallas Office

1301 Young Street, Room 1071
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	Seattle
Brandi Porter	Staff Analyst	206-615-2049	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
Howard Wellspring, PE	Deputy Director (Civil)	214-767-5197	Dallas
John Bausch, PE	Mechanical	206-615-2480	Seattle
Paul Gagliano, PE	Civil	214-767-0422	Dallas
Paul Geisert, PE	Civil/Environmental	206-615-3795	Seattle
Bruce Kemmet, PE	Civil	214-767-8368	Dallas
Robb McClain, RA	Architect	214 767-1322	Dallas
Dwight Packer, RA	Architect	214-767-3226	Dallas
Michael Young, PE	Civil	206-615-2489	Seattle

Architecture and Engineering

Staff Member	Title	Phone	Location
Joseph Bermes, RA	Deputy Director (Architect)	206-615-2451	Seattle
James Aberle, AIA	Architect	214-767-4246	Dallas
Steven Anderson, PE	Civil	206-615-2447	Seattle
Alex Gamble, AIA	Architect/Sustainability	206-615-2533	Seattle
Guibin (Nick) Lu, SE	Civil/Structural	206-615-2459	Seattle
Paul Ninomura, PE	Mechanical	206-615-2095	Seattle
Samuel Vega-Cotto, PE	Electrical	214-767-8588	Dallas

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	Acting 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
Anthony Buch	Contract Specialist - Federal Acquisition	206-615-2790	Seattle
Toby Hayden	Contract Specialist - Federal Acquisition	503-414-5524	Portland
Mimi Hetzel	Contract Specialist - Federal Acquisition	206-615-2465	Seattle
Erik Lundstrom	Contract Specialist - Federal Acquisition	206-615-2782	Seattle
Robert Miller	Contract Specialist - Federal Acquisition	214-767-8589	Dallas
Matthew Phelps	Contract Specialist - Federal Acquisition	206-613-2153	Seattle
Matthew Sanders	Contract Specialist - Federal Acquisition	206-374-7302	Seattle
Shaukat Syed	Contract Specialist - Federal Acquisition	214-767-3934	Dallas
Robert Sim	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	206-615-3794	Seattle
Stewart Jones	Lease Contracting Officer	206-615-2045	Seattle
Trina McBride	Lease Contracting Officer	214-767-3999	Dallas
Wanda Pedraza	Lease Contracting Officer	206-615-2795	Seattle
Gary Wilson	Lease Contracting Officer	206-615-2792	Seattle