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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 MemberTitlePhoneLocation
Michael Weaver, PE Director (Civil) 206-615-2460 Seattle
Georgia Bocan-Peterson Administrative Officer 206-615-2471 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 MemberTitlePhoneLocation
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 MemberTitlePhoneLocation
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 MemberTitlePhoneLocation
Melissa Warmath Deputy Director / Chief of OEHE Acquisitions 214-767-3517 Dallas
Andrew Hart Chief of Contracting - Seattle 206-615-2453 Seattle
Jennifer Scroggins Acting Chief of Contracting - Dallas 214-767-6613 Dallas
Monica Weaver Self-Governance Lead 206-615-3794 Seattle
Nicholas Aprea Contract Specialist 214-767-5255 Dallas
Kelly Britton Contract Specialist 602-364-5081 Phoenix
Anthony Buch Contract Specialist 206-615-2790 Seattle
Mimi Hetzel Contract Specialist 206-615-2465 Seattle
Erik Lundstrom Contract Specialist 206-615-2782 Seattle
Robert Miller Contract Specialist 214-767-8589 Dallas
Matthew Phelps Contract Specialist 206-613-2153 Seattle
Robyn Red Tomahawk Contract Specialist 214-767-8587 Dallas
Crystalynn Rogers Contract Specialist 214 767-0388 Dallas
Matthew Sanders Contract Specialist 206-374-7302 Seattle
Robert Sim Contract Specialist 206-615-2452 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