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Harold Guida


Harold Guida has fifty years of international experience on wide-ranging architectural, interior design, and urban design projects undertaken in the U.S., Australia, South-East Asia, and China. As a senior partner, he provides overall design leadership for all projects undertaken by Guida Moseley Brown Architects.

Initially a partner of Mitchell/Giurgola Architects in the United States, Mr Guida relocated to Canberra with Mitchell/Giurgola & Thorp Architects in 1981 as Partner-in-Charge of Design Co-ordination for Australia’s new Parliament House, for the project’s eight year duration.

Since the completion of the Parliament House project in 1988, Mr Guida has led multi-disciplinary teams on numerous award-winning projects ranging from office interiors and private houses to school, university and civic buildings, large residential and mixed-use urban buildings, as well as public master plans and urban design proposals for education, government, private, and commercial clients. Many of the architectural projects are conceived in urban design terms due to their mixed-use components and their close and sensitive integrations into the fabric of city form. He has provided urban design and master planning consultancy services to universities, government, and private clients in Canberra, Sydney, Singapore, Putrajaya in Malaysia, Pusan in South Korea, and Suzhou and Chongqing in China.

With respect to Mr Guida’s broader professional contributions, from 1974 to 1981 he was an Adjunct Professor on the Faculty of Architecture at Temple University and in 1988/89, Visiting Professor at the Department of Architecture at California State Polytechnic University.  Included among the numerous juries on which he has served are the ACT Chapter and National Awards Juries of the Royal Australian Institute of Architects. He has lectured widely and participated in conferences on design, most recently as an invited speaker at EduBuild Asia, Singapore 2011.

Mr Guida served as a founding Council Member of DesignSingapore, and Adviser to Old Parliament House, Singapore from 2003-2005. He received the Distinguished Achievement Award (Medal) from the College of Architecture and Environmental Design at Arizona State University in 1985, and in May 2007 was awarded an Honorary Doctorate by the University of the Sunshine Coast. In 2009 Mr Guida was elevated to Life Fellow of the Royal Australian Institute of Architects.

Works by Guida Moseley Brown Architects under the design leadership of Mr Guida have received numerous local, national, and international awards, and have been published widely in Australia and Asia.

Qualifications / Memberships / Awards

Bachelor of Architecture - Arizona State University
Master of Architecture (Urban Design) - University of California at Los Angeles
Doctor of The University (HON) - University of the Sunshine Coast
Adjunct Professor (HON) - University of Canberra

Life Fellow - Australian Institute of Architects
Member - American Institute of Architects

Registration: Australian Capital Territory, New South Wales, South Australia, Queensland, New Zealand Registered Architects Board

President's Medal 2018 - Australian Institute of Architects, ACT Chapter

Paul Mutton


Paul Mutton has over twenty five years experience in architectural practice. He joined the firm in 2002 and became a principal in 2008, taking a lead role in the masterplanning, design, documentation and construction phases of the new Canberra International Airport Terminal, due for completion in 2013, as well as several major commercial projects. In addition to his architectural work he has been responsible for the documentation and management of the Third Party Certified Quality Assurance System of the Practice.

Paul has worked as a Project Team Leader on a number of multi-unit residential, commercial and public projects, both in Australia and overseas. His experience includes Sentinel apartments - 240 units in Belconnen (under construction), New Town Precinct - multi-residential community 1,000,000m2, in Xian, PR China, and the Kunshan Library in the Jiangsu Province, PR China.

In the commercial field Paul was responsible for the design of the 45,000m2 office development for the first Centrelink complex in Canberra’s Tuggeranong Town Centre. This project was followed by the development submission and consequent design and documentation of the 35,000m2 Louisa Lawson Building for the Department of Human Services.

Prior to joining GMB Paul worked on numerous projects (typically as a project leader) in Adelaide and Sydney including multi-unit residential projects up to a construction value of $90 million.  Several of his projects have been recipients of awards from the Royal Australian Institute of Architects, notably an Award of Merit for a multi-unit residential project and a Sustainable Architecture Award for a new Primary School in the City of Playford in South Australia.

Qualifications / Memberships

Bachelor of Architectural Studies - University of Adelaide
Bachelor of Architecture (Hons) - University of Adelaide
Member - Australian Institute of Architects

Sieglinde Whittle


After graduating in Architecture, Sieglinde Whittle gained professional experience in Europe and the Middle East prior to joining Mitchell/Giurgola & Thorp Architects, now GMB, in to work on the design development and documentation of the Parliament House. Upon completion of that project she worked in private practice expanding her experience by providing documentation, liaison, and consultation services for clients on numerous residential and commercial projects, as well as teaching from 1994 to 1997.

Since rejoining the firm in 1997, Ms Whittle became an Associate in 2002 and then Principal in 2008. She has undertaken key roles on major public building projects: at the Gallery Redevelopment of the Australian War Memorial in Canberra, which was awarded The Canberra Medallion, she worked closely with Gallery management and staff, as well as collaborating and coordinating the work of specialist consultants; and similarly at the State Library of South Australia Redevelopment, providing team leadership responsibility for the planning, design and documentation of this multi-award winning project. In both of these high-profile public buildings the planning and execution of work had to be conceived and organized around the continuation of service of the institutions to its users.

Sieglinde’s work has further included leadership roles on several large scale high density residential and mixed-use projects in Singapore, and Suzhou and Tianjin, PRC, a multi-million dollar private residence in Hong Kong surrounded by a nature reserve, and she has carried out large commercial projects in Canberra, Brisbane, and Sydney. She was Principal-In-Charge for the Kingsford Smith P-10 School, completed January 2009, and the Namadgi P-10 School, both in the ACT. Among various ongoing projects at Australian Parliament House, Sieglinde is the currently leading the team for a series of Major Security Upgrade projects .

With over twenty five-years experience on a broad range of projects, Sieglinde’s skill and expertise in concept design, space planning, design development and documentation, as well as liaison and consultation with clients, consultants and authorities, has been widely acknowledged. Ms Whittle understands complex projects and has the mature professionalism to find integrative resolutions to demanding requirements and participants, and her refined design skills contribute significantly to every project she undertakes.

Qualifications / Memberships

Diploma of Architecture - University of Applied Sciences Hanover, Germany

John Guida


John Guida has over sixteen years experience working on a broad range of architectural and masterplan projects in Australia, USA, Europe, Korea, Taiwan & China. His portfolio includes a diverse range of projects such as Art Museums, Libraries, Law Courts, University Buildings, Luxury Residential & Commercial Developments and Bus & Marine Transport facilities. He joined Guida Moseley Brown in 2013 as a lead designer.

Since joining the firm, John has provided design leadership on a number of significant projects in Canberra, including the International Operations Fitout at Canberra International Airport, Australia Forum Reference Design, a multi-residential project in Turner,  an award winning carpark and mixed-use development in Barton, and a New Chancery for the High Commission of India, in Yarralumla. John's international projects include Zongfu Mansion, Multi-residential development, Chengdu, PRC and the design for the New Parliament House, Samoa.

Prior to joining GMB John spent over five years at Asymptote Architecture in New York where he was the lead design manager on a large range of projects, most notably two award winning cruise terminals in Taiwan, two iconic commercial towers in Arata Isozaki’s masterplan for Zhengzhou, China, a pair of visionary luxury residential towers in Seoul and the ARC culture pavilion in Daegu, Korea. Further to this John worked on the cutting edge Strata Tower and award winning YAS Hotel in Abu Dhabi.

John’s professional experience prior to working in New York includes developing and realising a number of projects in both Melbourne and Sydney, in particular overseeing the exterior design of a $65 million law court in Sydney and acting as project manager for a new public library and a town hall renovation in Victoria, both of which were awarded by the RAIA for excellence in public architecture.

Parallel to his professional career John has a passionate interest in academia, having overseen three final year design studios at The University of Melbourne and participated as guest critic for a design studio at Princeton University.

Qualifications / Memberships

Bachelor of Science in Architecture – University of Newcastle                                       Bachelor of Architecture (1st Class Hons) – University of Newcastle

Member: Australian Institute of Architects



Takaya (Jack) Shimada


Since joining GMB Jack has worked on a diverse range of projects over more than twelve years of practice. He has extensive experience on office building and fitout projects for the commercial and government sectors as well as unique Parliamentary and diplomatic experience. He is experienced in leading large teams on projects of significant
scale as well as providing design, documentation and site observation leadership. His projects include numerous office buildings, the Australian government, buildings for the Canberra International Airport Corporation, and boutique commercial offices which are plugged onto hangar modules at the Canberra  International Airport, General Aviation Precinct.

In the public buildings sector, Jack worked on a unique Catholic Church project at Sawtell in NSW and as a project coordinator on the HKSAR Government Complex, Tamar, Hong Kong, managing the interior fit-out of the Hong Kong Legislative Assembly.

Recently Jack has managed a number of projects in the ACT, including a new Emergency Services Station at Aranda, and a multi-storey carpark at Calvary Hospital, while coordinating a complex building audit project for the Australian National University, as well as two projects in the Diplomatic sector, for the High Commission of Malaysia and the Embassy of the UAE.

Qualifications / Memberships

Bachelor of Architecture - University of Canberra
Bachelor of Applied Science in Architecture - University of Canberra

Member: Australian Institute of Architects

Andrew Donnelly


Andrew Donnelly has over fifteen years experience in a broad range of projects of varying scales locally, nationally and internationally with extensive experience in masterplanning, architectural design, documentation and site observation. He has carried out significant roles as project architect for large scale projects, directing and coordinating with significant and diverse user groups and stakeholders, large international consultant group teams and implementing innovative construction techniques and methodologies delivered in off-shore locations.

Andrew was Project Architect managing a Major Security Upgrade at Australian Parliament House. His other significant projects include a leading design role as Project Architect on two high-rise student residential and academic buildings at Nanyang Technological University in Singapore as well as interior design development for the Hong Kong Legislative Council chamber. His project experience also includes the Master Plan and ongoing review for the University of the Sunshine Coast and preparation of a 25 year Master Plan for Nanyang Technological University, one of Singapore’s leading Universities.

Prior to his involvement with GMB, Andrew held a substantial role in the contract administration of a $28M retail redevelopment in Campbelltown, Sydney, and major roles in design, documentation and site observation for a wide variety projects both in Sydney and the broader Asia-Pacific region. These have included design work for an eight storey hotel in New Zealand, design development for a new airport in Suva, Fiji, and concept design for a high rise residential/commercial development in Coolangatta, Queensland.

Qualifications / Memberships
Bachelor of Architecture - University of New South Wales

Brenton Bedell


Following his graduation from the University of Canberra, where he completed a Masters in Architecture and a Bachelor of Applied Science in Environmental Design, Brenton joined the firm in February 2009. He has since acquired extensive professional skills and been a committed team member on projects in both Australia and Asia, qualifying as a registered architect in 2013.

On joining the firm Brenton assumed a significant role on the $54M Namadgi P-10 School Campus project in Canberra, contributing throughout all phases of the project, from initial planning and studies to confirm extension and re-use or new-build options, and intensive client/stakeholder liaison to design and construction documentation, Green Star documentation and site supervision. The project included library, student common areas, performance spaces and access for the broader community.

Currently, Brenton is a Project Architect managing a Major Security Upgrade at Australian Parliament House. He has also carried out the role of project architect for a number of multi-residential projects in Canberra, including ‘Sentinel’, a 35,000m2, two tower, multi-storey residential development in Belconnen town centre, a multi-unit development in Turner, and 'Mezzo' at Gungahlin. Responsibility included client, consultant and authority liaison, documentation for Development Application as well as coordinating the documentation team.

Previously, Brenton has worked with multi-award winning Canberra practice Arquitectura where he lead documentation on numerous residential projects in Canberra and the surrounding region.

Qualifications / Memberships

Master of Architecture - University of Canberra
Bachelor of Applied Science in Architecture - University of Canberra

William Gardner


William Gardner (Will) has over ten years experience in leading multi-disciplinary teams locally and abroad in all facets of planning, design, documentation, tender management, construction phase contract administration and superintendency. Will has assumed the role of Project Architect for some of the offices’ most significant projects, with particular focus on diplomatic, government and public buildings and interior works.

Will lead the team and was superintendent for the renovation of the heritage listed Swedish Embassy in Canberra. He is also the project architect for the new Parliament of Samoa Maota Fono building. He was recently project superintendent for the Shangri-La Hotel Ballroom redevelopment in Sydney, which involved managing multiple building contracts simultaneously with clients, consultants, users and contractors spread across three countries.

Prior to this he was the project architect for the multi-award winning Botswana High Commission in Deakin, ACT, completed in 2009. In addition, Will has fulfilled design and documentation roles for GMB designed medium to high density residential and student accommodation developments in Malaysia, Hong Kong, and Tianjin, PRC.

He is an active member of the architectural community with contributions ranging from professional advocacy and counselling to student education. He is currently an Australian Institute of Architects (RAIA) Chapter Councillor. Formerly he was Chairman of the Emerging Architects committee and a member of the AIA Emerging Architect and Graduate Network national council for a number of years.

Qualifications / Memberships
Bachelor of Applied Science in Environmental Design - University of Canberra
Bachelor of Architecture - University of Canberra

Member:  Australian Institute of Architects