Johnston Architects USA

Johnston Architects USA

About

Today, JA is a Women-Owned firm providing full-service architecture, interior design, planning, and technology-driven solutions to public and private clients throughout the country.

We are led by a team of five partners: Mary & Ray Johnston, Megan McKay, Jack Chaffin, and Mona Johnston Zellers.

JA is part of the International Living Future Institute’s JUST program and our portfolio is intentionally diverse. We are committed to creating exceptional and inclusive built spaces through intelligent, conscientious, and sustainable design.

Meet the team

Christina Chen
Christina Chen
Office Coordinator / Designer
Genevieve Theriault
Genevieve Theriault
AIA / Principal, Director of Interior Design
Jack Chaffin
Jack Chaffin
AIA / Partner
James Seikel
James Seikel
MBA / Business Manager
Jasmyn Flores
Jasmyn Flores
Associate, Senior Marketing Specialist
Jay Johnson
Jay Johnson
AIA, NCARB
Jesse Baiata-Nicolai
Jesse Baiata-Nicolai
Associate / Design Technology Manager
Jesse Davis
Jesse Davis
AIA / Associate
John B. Simons
John B. Simons
AIA / Senior Associate
Maggie Ciaccio
Maggie Ciaccio
RA / Associate

Awards and recognition

2026
Green Building & Design
Award
2021
Architizer A+
Award
2021
AIA + Seattle Magazine
Home of Distinction
2015
AIA Seattle
Home of Distinction

Johnston Architects USA
Johnston Architects USA
Johnston Architects USA