With_Architecture Studio is a design-led practice committed to delivering distinctive and functional spaces that yield engaging experiences and create lasting value for client and community. We take pride in responsible design that shows leadership and helps to create places that inspire and enable people. And our best work is achieved through collaborative teamwork.

Established in Perth in 1985, we have over 30 years of commissions, extensively published and awarded, that span the disciplines of architecture, urban design, master planning, interior architecture and public art. With_Architecture Studio is Australia’s first certified carbon neutral architecture practice. We also achieved the nation’s first green star rated multi-residential design awarded by the Green Building Council of Australia.


Geoff Warn
Founding Partner

Daniel Aisenson

Jane Wetherall

Matthew Robinson
Senior Architect/Project Leader

Murray Duff
Senior Architect

Byron Last

John Nickels

Joshua Cobb-Diamond
Graduate Architect

Annabel Hiew
Graduate Architect

Polina Zhalniarovich
Graduate Architect

Ryan Davies
Graduate Architect

Frances Silberstein
Graduate Architect

Andrew de Boer
Architectural Technician

Annalisa Rustici
Architectural Technician

Nic Kotsoglo
Architectural Intern

Jess Witt
Studio Development Manager

Sam Gorecki
Graphics Communications

Andrew de Bruyn
Chief Financial Officer 


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