
Think beyond the square.
"Paul & Deborah have provided Southern Cross Care (SA & NT) with strategic direction and expert advice for Environmental Initiatives in designing of facilities and overall operational impacts, and during their involvement we have found them to be extremely professional and knowledgeable in their valued support and guidance."
Daniel Rosato
Development Manager | Southern Cross Care SA & NT

We Walk the Walk.
We tackle the challenges and opportunities of sustainability within our own operations, not just the projects we work on.
We are also active in supporting local and national initiatives and advocacy groups advancing sustainability in Australia.
"dsquared have provided high quality strategic and detailed design advice on a number of high profile SA Health projects and have been valuable and innovative members of various project delivery teams."
Rob Bunting
Manager: Sustainability | SA Health

Paul Davy
Paul is co-founder and director of dsquared Consulting.
Paul is a passionate advocate and practitioner for sustainable design in the built environment and believes that any design problem can be overcome with the right combination of experience and, most importantly, attitude.
Since 2005, Paul’s focus has been the provision of multidisciplinary consultancy associated with major projects in Australia, with a particular emphasis on achieving significant energy and ESD targets in major public sector, health, aged care, education, and commercial projects.
- Dip. Environmental Engineering (Hons) - South Bank University, UK
- Green Star Accredited Professional (Design & As Built, Communities and Performance)
- Green Star Certified Assessor
- Green Star Faculty
- WELL Accredited Professional
- Member of the Office of Design and Architecture South Australia (ODASA) Design Review Panel
- Member Chartered Institute of Building Services Engineers (MCIBSE)
- Incorporated Engineer, Engineering Council (IEng)
- Member Australian Institute of Refrigeration, Air Conditioning and Heating Engineers (MAIRAH)
- Member Institute of Facade Engineers
- Member Institute of Life Cycle Assessment Society

Deborah Davidson
Deborah is co-founder and director of dsquared Consulting.
Deborah is one of the leading ESD and Sustainability Consultants in Australia, with a keen sense of effective and robust solutions for environmentally responsible outcomes.
Deborah is one of Australia’s most experienced Green Star Accredited Professionals, and one of only four WELL Accredited Professional’s in South Australia, making her a leading authority on sustainable building design and certification. Her expertise is often called upon by the Green Building Council of Australia, as Green Star Assessor, in the teaching faculty and as an independent expert in new tool development.
- Bachelor of Science (Hons) Geography - Edinburgh University, UK
- Green Star Accredited Professional (Design & As Built, Communities, Performance & Interiors)
- Green Star Certified Assessor
- Green Star Faculty
- LEED Accredited Professional
- WELL Accredited Professional
- EnviroDevelopment Accredited Professional

Nick Stokoe
Associate. Nick is an experienced ESD consultant with a keen interest in improving Building Performance.
Nick’s ability to balance the detailed and often conflicting requirements of cost-efficient design without compromising sustainability targets and benchmarks is invaluable to the projects he works on. He is also one of the most experienced NABERS professionals in the country and utilises this experience to directly support project teams to ensure targets are achieved.
- BEng (Mechanical)
- NABERS Level 2 Auditor
- NABERS Supervisor & Trainer
- NABERS Independent Design Review Panel Member
- Green Star Accredited Professional (Design & As Built, Performance)
- Green Star Certified Assessor (Performance)
- Certified Energy Manager

Jacob Potter
Associate. Jacob is passionate about implementing sustainable solutions with experience in energy, resource and carbon management.
With experience in sustainable design, emissions reduction, electric vehicle transitions, sustainability policy, environmental management and waste minimisation, and as a Green Star and WELL Accredited Professional, Jacob can support projects both large and small.
- Bachelor of Architectural Studies - University of South Australia
- Master of Sustainable Design - University of South Australia
- Graduate Certificate, Energy and Resources – Policy and Practice - University College London (UCL)
- Green Star Accredited Professional (Design & As-Built, Performance)
- WELL Accredited Professional

Ben O’Callaghan
Senior Consultant. Ben lives with his family in Queensland in a sustainable community and has 20 years of experience in design. He is passionate about his electric cars and maximising quality-of-life through design.
Ben lives and breathes “sustainable design” so can be relied up on deliver quality advice across all stages of a project. He has been used by the Green Building Council of Australia for over 10 years to update parts of the Green Star certification system. Ben’s career includes lecturing in Sustainable Urban Development at Bond University and working for Accenture, the ATO, Aboriginal Hostels Limited several other Federal Government departments.
Since 2002 Ben has been involved in Bodies Corporate and the Chairperson of multiple community organisations. He has previously been engaged to deliver design advice for Councils, ecovillages, cohousing projects, resorts and multiple universities (QUT, UQ, JCU).
- Master of Architecture - Sustainable Design. M.Phil. - University of Sydney
- Bachelor of Information Technology - ANU
- Andersen Consulting University Prize
- Green Star Accredited Professional (Design & As Built, Communities and Homes)
- Green Star Assessor and Expert Panel Member
- UDIA EnviroDevelopment Professional
- EarthCheck Trained Professional
- HIA GreenSmart Accredited Professional

Richard Gardner
Richard has a keen interest in energy efficiency and low carbon design and a particular focus on building simulation, modelling and analysis.
Richard’s experience includes working on BREEAM, Green Star and LEED projects, designing a multitude of HVAC systems, UK Part L regulations, low carbon design and on-site commissioning of mechanical systems. Richard is conversant with IES VE, EDSL Tas, FirstRate5, Ansys Fluent, LightStanza and ForgeSolar software packages and his skills include building simulation and modelling of HVAC systems, energy, thermal comfort, façade performance, daylight, glare incidence, NatHERS, NABERS, CFD analysis, carbon dioxide and natural ventilation.
Richard has carried out significant research into the effectiveness of the use of earth tubes in pre-cooling/pre-heating outside air.
- MPhil Mechanical Engineering (Hons) - Cardiff University, Wales, UK
- MEng Mechanical Engineering (Hons) - Cardiff University, Wales, UK
- Green Star Accredited Professional (Design & As Built)
- Building Designers Association Victoria (BDAV) Accredited Thermal Performance Assessor (TPA) and Energy Rater

Ieva Daenke
Ieva is enthusiastic in finding sustainable solutions in the built environment and strives to deliver accurate and reliable results.
Ieva has gained professional experience working on projects within the commercial, defence, health, and education sectors across Australia, including Green Star, LEED and WELL projects.
- Bachelor of Engineering (Hons) Mechanical and Sustainable Energy - University of Adelaide
- Green Star Accredited Professional (Green Star Buildings Tool)
- Registered eTool User (Life Cycle Assessment)

Eliza Koch
Eliza is motivated to improving the sustainability of built environments for future generations.
Eliza has also looked after Life Cycle Assessments and Green Star submissions for many developments.
- Bachelor of Urban and Regional Planning (Hons) - University of South Australia
- Masters in Environmental Management and Sustainability - University of South Australia
- Green Star Accredited Professional (Design & As Built)
- Registered eTool User (Life Cycle Assessment)

Jarrad Braham
Jarrad has a keen interest in energy efficiency and sustainable design solutions for buildings, systems, and communities.
Jarrad has worked on many different project types and sizes across Australia including high-rise offices and residential towers, large-scale commercial developments, defence facilities, schools, and suburban housing.
- Bachelor of Engineering (Hons) Mechanical and Sustainable Energy - University of Adelaide
- NABERS Accredited Assessor (Office, Shopping Centres)
- Green Star Accredited Professional (Design & As Built, Buildings, Interiors, Performance)
- WELL Accredited Professional
- Registered eTool User (Life Cycle Assessment)

René Schlosser
René focuses on a holistic performance based approach to building designs and developing customised solutions that meet the highest energy efficiency targets.
- MSc Ind. Engineering and Business Management
- Passive House Certified Designer
- Green Star Accredited Professional (Design & As-Built)
- BAFA Certified Energy Efficiency Consultant
