Directors and Department Heads
Brent AhrendTransportation Planning
Associate Principal, Assistant Department Head - Transportation Planning
bahrend@mcknze.comBrent Ahrend combines technical skills in transportation analysis and modeling with strong communication and demonstrated abilities to provide...Learn More
Peter AltoArchitecture
Associate Principal, Architect
palto@mcknze.comA graduate of the University of Oregon, Peter Alto has more than three decades of architectural experience. Peter manages the majority of...Learn More
Chiharu Cathy BowmanArchitecture
Senior Associate, Assistant Department Head - Architecture
cbowman@mcknze.comChiharu “Cathy” Bowman is a project architect on Mackenzie public projects team. She earned her Bachelor of Architecture from the University of...Learn More
Matt ButtsCivil Engineering
Principal, Director of Civil Engineering & Transportation Planning
mbutts@mcknze.comMatt Butts leads Mackenzie's Civil Engineering and Transportation Planning departments. Matt manages most of the firm’s infrastructure and...Learn More
Gabriela FraskLand Use Planning
Senior Associate, Department Head - Land Use Planning
gfrask@mcknze.comGabriela joined Mackenzie with experience working as a policy coordinator, as well as in corridor transportation planning. Clients benefit from...Learn More
Rusty GesnerArchitecture
Associate Principal, Corporate Advisor - CAD/BIM
rgesner@mcknze.comRecognized in 2007 by Autodesk as a “Legend of AutoCAD”, Rusty Gesner is one of the industry's foremost software experts. A licensed architect,...Learn More
Brett HansonArchitecture
Associate Principal, Architect
bhanson@mcknze.comBrett Hanson has been involved in the design of complex projects across the Pacific Northwest, including fire and police essential facilities, and...Learn More
Monty HillArchitecture
Associate Principal, Design Director, Architect
mhill@mcknze.comMonty Hill, Design Director and Associate Principal at Mackenzie, brings over 25 years of architectural design experience. Monty has provided...Learn More
Alison HoaglandArchitecture
Principal, Department Head - Architecture
ahoagland@mcknze.comAlison Hoagland, a Principal at Mackenzie, has designed and delivered projects in a variety of markets, including retail, commercial, hospitality...Learn More
Jeff HumphreysArchitecture
Principal, Director of Architecture
jhumphreys@mcknze.comJeff Humphreys has focused his career on the assessment, design, and development of public projects, with a specialization in essential facilities...Learn More
Lynne IngramInteriors
Principal, Design Director, Director of Interior Design
lingram@mcknze.comLynne Ingram is Mackenzie’s Design Director - Interiors. Lynne brings nearly 30 years of design and project management experience, and has a broad...Learn More
Paul KislingArchitecture
Principal of Architecture
pkisling@mcknze.comPaul Kisling’s long career includes professional experience both in architectural design and project management roles in construction and private...Learn More
David LintonStructural Engineering
Senior Associate, Department Head - Structural Engineering
dlinton@mcknze.comDavid Linton is a project engineer in Mackenzie's structural group. He has worked on a range of high tech, retail, and industrial projects at the...Learn More
Jan MasonMarketing
Associate Principal, Director of Marketing
jmason@mcknze.comFrom assistant to the president to landscape designer, Jan Mason has served many roles in her career at Mackenzie. She became head of the firm's...Learn More
Barb McCulloughAdministration
Associate Principal, Director of HR & Administration
bmccullough@mcknze.comBarb McCullough enjoys working with people, which explains why she splits her time between managing the accounting department and being the main...Learn More
Josh McDowellStructural Engineering
Principal
jmcdowell@mcknze.comJosh McDowell leads Mackenzie's structural engineering practice, and has over two decades of experience in the field. Josh oversees the structural...Learn More
Thomas PeckArchitecture
Senior Associate, Design Director
tpeck@mcknze.comThomas Peck, a Design Director at Mackenzie, has over a decade of professional experience. Thomas provides design leadership on a diverse range of...Learn More
Tim SchweitzerStructural Engineering
Associate Principal, Director of Structural Engineering
tschweitzer@mcknze.comDuring his long tenure at Mackenzie, Tim Schweitzer has provided design for a variety of structures including the design of tilt panels, concrete...Learn More
Morgan TothInteriors
Associate Principal, Department Head - Interiors
mtoth@mcknze.comMorgan Toth brings exceptional abilities in communication, relationship building, and project management, and serves as the primary contact for...Learn More
Steven TuttleLandscape Architecture
Senior Associate, Department Head - Landscape Architect
stuttle@mcknze.comSteven Tuttle has more than a decade of professional landscape architecture experience throughout the Pacific Northwest. Steven has been involved...Learn More
Dietrich WielandArchitecture
President, Architect
dwieland@mcknze.comDietrich Wieland, Mackenzie’s President, brings a wide breadth of professional experience including mixed-use, urban redevelopment, commercial,...Learn More