Our diverse staff shares a foundation in excellent engineering education.

We are committed to the ongoing professional development of our staff through professional associations and continuing education.

Jim Harriott

Jim Harriott, P.E., S.E. James A. Harriott, P.E. Jim has been practicing structural engineering for more than 20 years. His strength lies in understanding the issues of constructability and architecture, and integrating the structural design with these demands. Jim is the president of the firm and shares financial and human-resources management duties with Todd.

Education: M.S.C.E., University of California, 1990
B.S.C.E., University of Washington, 1987

Registrations: Washington, Oregon, Idaho, Montana, Wyoming, Colorado, Alaska, Hawaii

Affiliations: Structural Engineers Association of Washington
American Concrete Institute
American Institute of Steel Construction
AIA Seattle

Todd Valentine

Todd Valentine, P.E., S.E. Todd has 12 years of experience as a consulting engineer. His experience includes the design of numerous residences and retail structures constructed of wood, steel, masonry, and concrete. Todd manages projects through all phases of design and construction. Todd is also responsible for billing.

Education: B.S.C.E., Florida State University, 1994

Registrations: Washington

Doug Clair

Doug Clair, P.E.  Doug has 5 years of residential structural design experience. He provides project management services from initial client consultation through design and construction.  Doug enjoys working with clients to provide the most efficient and economical structural solutions to bring even the most creative architectural design concepts to life.  Outside of the office, Doug can be found coaching, watching or playing baseball. Go Mariners!

Education: B.S.C.E, University of Washington, 2012

Registrations: Washington, California

Megan Isbell

Megan Isbell, P.E.  With over eight years of experience, Megan has a passion for unique solutions involving multiple building materials and custom frames.  Before joining HVE, she concentrated her work on the seismic evaluation and retrofit of existing buildings including the design of new steel towers encompassed by existing unreinforced masonry buildings.  Megan enjoys managing projects from schematic design through construction and finds communication through all disciplines to be a key element to design.  In her spare time, she enjoys spending time with her family, exploring the great outdoors, and volunteering at the local animal shelter walking adoptable dogs.

Education: B.S.C.E. University of Wyoming, 2008

Registrations: Washington

Affiliations:  Structural Engineers Association of Washington
                    American Institute of Steel Construction

Kevin Tsuchida

Kevin Tsuchida, E.I.T.  Having spent the last year and a half at HVE, Kevin is enthusiastic about seeing a project through all stages of design and construction. He values being able to work in close contact with the contractors and owners directly, and often personally, invested in the project. In his free time, Kevin enjoys playing soccer at Greenlake and searching for the best Mexican food in the city.

Education: B.S.C.E., University of Washington, 2014

Jonathan Carlson

Jonathan Carlson, E.I.T.  A recent graduate of the University of Washington, has worked on his father’s house, shed and for a Water department. Strengths include construction experience and management with the UW Steel Bridge team, and is continuing to be a mentor for the club in design and construction management.  Jonathan also loves to go out on hikes, bike rides and bringing in the outdoors indoors through creative design.

Education: B.S.C.E University of Washington, 2016

Katheryn Warner


Kathryn Warner, P.E. Kathryn has 20-plus years of design and engineering experience with a wide variety of structures, including residential and commercial buildings, as well as architectural signage and ornamentation structural support. Her material experience encompasses wood, steel and aluminum, concrete and masonry materials. Whether a small addition or a large facility, Kathryn works closely with clients and consultants from other disciplines, utilizing her dual architectural and engineering degrees for effective communication from Schematic Design through Construction.

Registrations: Washington, Oregon, Montana

Education: B.S.C.E University of Washington, 1992
                  B.A. Architecture, University of Washington, 1982

Graham Cameron

Graham Cameron, E.I.T., LEED G.A. Graham is a recent graduate of the UW, where he obtained his master’s degree following his B.S. at the University of Puget Sound. With a lengthy background in customer service and project management, Graham is happy to be plying his trade alongside his talented coworkers at HVE and looks forward designing creative, collaborative, and sustainable structural solutions.  In his spare time, you might be able to find him in the kitchen attempting to replicate a dish he saw prepared on Food Network or managing one of his four fantasy football teams.

Education: M.S.C.E., University of Washington, 2017
                  B.S. Physics, University of Puget Sound, 2014

Brian Kirkwood

Brian Kirkwood.  Brian joined Harriott Valentine after a 25-year military career and a short stint in aviation test and evaluation engineering.  With prior leadership and project management experience, Brian now enjoys the technical and design aspects of being at HVE.  His jump to structural engineering was fueled by the region’s rapid growth, combined with the nexus of complex environmental and civic issues facing Puget Sound.  Brian enjoys Husky football and continues to support the University of Washington department of Civil and Environmental Engineering.


Education: B.S.C.E, University of Washington, 1987
                  M.S. National Resource Strategy, National Defense University, 2009


Colleen Harriott