Mackenzie draws strength from the diverse talents and specialties of our staff. Click on the photos to get to know the members of our integrated team. Looking for a particular person, capability, or job function? Use the filter options or search field below.


Effective project, schedule and cost management leads to successful mixed-use developments. At Mackenzie, these fundamental skills are inherent to our mixed-use design team. Whether drawing from individual expertise as an owner's rep or construction project manager or the firm's depth of design-build experience, our team has the discipline and experience to focus on your specific project needs and portfolio expansion. Dietrich Wieland leads Mackenzie's work in this market sector.

Michael Chen
  • LEED Green Associate
Land Use Planning
Senior Associate, Land Use Planning

Michael Chen brings over 16 years of experience in land-use planning, SEPA review, permit entitlement, feasibility studies, project management,...Learn More

Paul Kisling
  • AIA
Principal of Architecture

Paul Kisling has more than 35 years of design and construction experience. His past work includes residential/mixed use, commercial office, retail...Learn More

Terry Krause
  • AIA
Principal, Architect

Terry Krause specializes in retail architecture and has over 30 years of experience working with national retailers and developers. Terry is...Learn More

Tim Schweitzer
  • SE
Structural Engineering
Senior Associate, Department Head - Structural Engineering

During his long tenure at Mackenzie, Tim Schweitzer has provided design for a variety of structures including the design of tilt panels, concrete...Learn More

Steven Tuttle
  • PLA
Landscape Architecture
Landscape Architect

A recent, strategic addition to the firm, Steven Tuttle brings considerable civic, commercial, mixed-use, and urban design experience to the...Learn More

Dietrich Wieland
Associate Principal, Director of Sustainability, Architect

Mackenzie's Director of Sustainability, Dietrich Wieland has more than 15 years of varied professional experience including commercial, retail,...Learn More