What Does ZGF Architects Do?

Total employees891
HeadquartersPortland
Founded1942

ZGF Architects is a distinguished, award-winning architecture, urban design, and interior design firm with a rich history spanning over 80 years. The firm is recognized for its intentionally diverse portfolio, which includes healthcare and research facilities, academic buildings, mixed-use developments, corporate campuses, museums, transportation facilities, and eco-districts. ZGF is deeply committed to design excellence, innovation, and environmental stewardship, consistently ranking among the top sustainable design firms in the U.S. Their collaborative, research-driven culture fosters creative solutions that positively impact people's lives and the environment.

Where Is ZGF Architects's Headquarters?

ZGF Architects officeZGF Architects officeZGF Architects officeZGF Architects office
*Images sourced via web search. Rights belong to original owners

HQ Function

Serves as a major design studio and administrative center, housing a significant number of architects, designers, and support staff. It drives innovation in sustainable architecture, urban design, and interior design, and is one of the firm's founding offices.

Notable Features:

The Portland office is located in the 12W building, a LEED Platinum certified structure, reflecting ZGF's commitment to sustainability. The office space is designed as an open, collaborative studio environment to foster creativity and teamwork.

Work Culture:

Characterized by a highly collaborative, research-driven, and innovative environment. There is a strong emphasis on mentorship, continuous learning, and a shared commitment to design excellence and sustainable practices.

HQ Significance:

As the founding office, Portland has been instrumental in establishing ZGF's design philosophy, its commitment to sustainability, and its reputation for architectural excellence. It continues to lead numerous award-winning projects and firm-wide initiatives.

Values Reflected in HQ: The headquarters' design, location, and operational practices reflect ZGF's core values of sustainability, innovation, collaboration, community integration, and design excellence.

Location:

While ZGF's physical offices are primarily located in the United States and Canada, the firm's influence and project portfolio extend globally. ZGF provides comprehensive architectural design, master planning, urban design, interior architecture, and sustainability consulting services for a diverse range of international clients and projects. The firm has successfully completed projects in Asia, Europe, and the Middle East, often collaborating with local partners to deliver contextually sensitive and high-performance designs on a global scale.

Street Address:

1223 SW Washington Street, Suite 200

City:

Portland

State/Province:

OR

Country:

USA

Where Else Does ZGF Architects Operate Around the World?

Los Angeles, CA/USA

Address: 515 South Flower Street, Suite 3650, Los Angeles, CA 90071

To deliver innovative and sustainable architectural solutions tailored to the dynamic Los Angeles market, leveraging ZGF's national expertise for complex urban projects.

Seattle, WA/USA

Address: 925 Fourth Avenue, Suite 2400, Seattle, WA 98104

To lead and support architectural innovation in Seattle's thriving tech and life sciences industries and the broader Pacific Northwest, emphasizing community-centric and environmentally responsible design.

New York, NY/USA

Address: 500 Fifth Avenue, Suite 2110, New York, NY 10110

Serves as a strategic hub for ZGF's East Coast operations, connecting the firm's extensive expertise with opportunities in New York City and surrounding metropolitan areas.

Washington, D.C./USA

Address: 1800 M Street NW, Suite 450N, Washington, D.C. 20036

To provide comprehensive architectural services in the nation's capital and surrounding areas, addressing unique challenges of civic, federal, and large-scale institutional projects.

Vancouver, BC/Canada

Address: 1285 West Pender Street, Suite 301, Vancouver, BC V6E 4B1

To deliver leading-edge architectural and urban design solutions in British Columbia and across Canada, emphasizing environmental performance and community well-being.

Denver, CO/USA

Address: 1621 18th Street, Suite 250, Denver, CO 80202

To serve the growing Denver and Mountain West markets with innovative and sustainable design, contributing to the region's architectural landscape.

Buying Intent Signals for ZGF Architects

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Who's Leading ZGF Architects? Meet the Executive Team

As of April 2025, ZGF Architects' leadership includes:

Ted Hyman, FAIA, LEED AP - Managing Partner (Los Angeles)
Toby Hasselgren, AIA, LEED AP BD+C - Managing Partner (Portland)
Allyn Stellmacher, AIA, LEED AP - Managing Partner (Seattle)
Karl Sonnenberg, FAIA, LEED AP BD+C - Managing Partner (Washington, DC)
James Woolum, AIA, IIDA - Managing Partner (New York)

Who's Investing in ZGF Architects?

ZGF Architects has been backed by several prominent investors over the years, including:

Privately Held/Partnership

What Leadership Changes Has ZGF Architects Seen Recently?

Hire0
Exits0

ZGF Architects emphasizes internal growth and leadership development, frequently promoting talent to Partner and Principal roles. In the past year, the firm announced the elevation of several individuals to Partner, underscoring its commitment to recognizing leadership and contributions from within. No major external executive hires or departures at the Managing Partner level have been publicly announced.

New Appointments:

Amanda Snelson, Amanda Snelson appointed to Partner, advancing from a Principal role within ZGF.
Solvei Neiger, Solvei Neiger appointed to Partner, recognizing her continued leadership and contributions to the firm.
Ryan Flaska, Ryan Flaska appointed to Partner, elevating his leadership position within ZGF.
Sean Titchener, Sean Titchener appointed to Partner, reflecting his growth and impact as a leader at ZGF.

What Technology (Tech Stack) Is Used byZGF Architects?

Discover the tools ZGF Architects uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

ZGF Architects Email Formats and Examples

Email addresses at ZGF Architects typically follow a standard professional format, often combining the first initial and last name, or first name and last name separated by a dot. For example, Jane Doe might be jdoe@zgf.com or jane.doe@zgf.com.

[first_initial][last_name]@zgf.com

Format

jdoe@zgf.com

Example

85%

Success rate

What's the Latest News About ZGF Architects?

Seattle Daily Journal of Commerce • May 17, 2024

ZGF Architects-designed Concourse C expansion at Sea-Tac Airport ready for summer travel

The expansion of Concourse C at Seattle-Tacoma International Airport, designed by ZGF Architects, is now open. The project enhances passenger experience with new dining, retail options, and improved gate accessibility, ready for the busy summer travel season....more

World Architecture News • April 24, 2024

ZGF Architects Completes Major Modernization of Seattle-Tacoma International Airport’s Concourse C

ZGF Architects has completed a significant modernization of Concourse C at Seattle-Tacoma International Airport. The project focused on upgrading facilities, expanding amenities, and incorporating Pacific Northwest aesthetics to improve the overall passenger journey....more

ZGF Architects News • January 10, 2024

ZGF Architects Announces New Partners in 2024

ZGF Architects announced the promotion of four individuals to Partner: Amanda Snelson, Solvei Neiger, Ryan Flaska, and Sean Titchener. These promotions recognize their exceptional design leadership, client service, and commitment to the firm's values....more

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