Address
608, 105 Stirling Street, Perth,
Western Australia 6000
Phone
+61 461 410 031
Email
[email protected]
Who We Are
Driving Sustainability with Expertise & Insight
At Geronimo Advisory, we are dedicated to delivering tailored, science-backed strategies that help businesses thrive sustainably. Our mission is to create better buildings, reduce environmental impacts, and shape a resilient future for all.
About Geronimo Advisory
Insight for a Sustainable Future
Geronimo Advisory is an independent, multidisciplinary consultancy that works with clients to achieve practical, measurable and customised approaches to reducing environmental impacts, addressing climate adaptation needs, eliminating energy waste and developing decarbonisation pathways.
We take a frank approach to addressing commercial, social and organisational sustainability challenges. In the shifting regulatory landscape, we help our clients seize the opportunities for enhanced asset operational efficiency, protecting future asset value and ensuring stakeholder satisfaction.
Net zero is not our endgame – it’s an element in the holistic process of betterment. Our engineers, and environmental specialists apply their skills to both new and existing buildings, portfolios and enterprises. Through taking the lifecycle view, we aim to provide solutions that result in better buildings for people, and better outcomes for design teams, building developers, building owners, portfolio managers and facilities managers.
Geronimo Advisory Benchmarking Expertise
Our Organisational Affiliations
Meet The Team
Our team of engineers and sustainability professionals have been recognised by the industry for their impact on built environment.
Mathuran Marianayagam
Mathuran has been delivering advanced solutions and engineering insight to improve buildings, portfolios and businesses for nearly 20 years for clients and projects in Australia, Southeast Asia and the Middle East.
His technical abilities and commitment to transformative sustainability approaches have been recognised with awards including CitySwitch Hall of Fame (2022), Green Star Champion (2024) and his election to the role of Chairperson of the WA State Committee of the Facilities Management Association of Australia and member of Property Council of Australia Academy Committee.
In addition to his academic qualifications in engineering and building surveying, he is an accredited assessor for Carbon Neutral certification, NABERS, BEEC, LEED, Green Star, WELL, GRESB, NatHERS and BASIX. He is also a Registered Consultant of Australian Government Climate Active, ASHRAE Certified Building Energy Modelling Professional (BEMP); Certified Energy Manager (CEM) and Certified Energy Auditor (CEA), Association of Energy Engineers (USA); Pearl Qualified Professional, Abu Dhabi Urban Planning Council (UAE); and Certified Green Mark Manager, Building and Construction Authority, Singapore.
Prior to co-founding Geronimo Advisory, Mathuran was Asia-Pacific Building Performance Services Lead for a global multidisciplinary engineering firm, working on projects across commercial office, retail, defence, healthcare, education, industrial and real asset management.
Nalin Nanayakkara
Nalin is a highly talented professional in the realm of mechanical engineering and management accounting. With his dual degree background in both disciplines, Nalin has cultivated a career dedicated to the optimisation and automation of building systems, particularly within the space of HVAC (Heating, Ventilation, and Air Conditioning) control systems for over 15 years.
Nalin's expertise extends across various facets of building services, where he has consistently demonstrated his capability in delivering notable projects throughout Australia and across the Asia-Pacific region. His unique skill set, combining mechanical, electrical and controls engineering with a keen focus on sustainability, has earned him recognition and respect within the industry. As a Chartered Engineer with Engineers Australia, Nalin holds professional qualifications in electrical engineering and building services. Additionally, he is a qualified NABERS (National Australian Built Environment Rating System) and CBD (Commercial Building Disclosure) assessor, showcasing his commitment to energy efficiency and environmental sustainability. Nalin’s professional affiliations include MIEAust, CPEng, NER, and APEC Engineer IntPE(Aus), and he brings a wealth of knowledge and experience to the table. His dedication to excellence and innovation makes him a sought-after industry expert in the building industry.
Willow Aliento
As a commercially-astute communicator, resourceful researcher and passionate advocate for all things science, Willow specialises in helping organisations understand the policy landscape, identify and connect with stakeholders, and develop suitable strategies for measuring, managing and reporting on sustainability risks and opportunities.
She has a Bachelor of Environmental Science and Management (Climate and Sustainability) and a Certificate IV in Training & Assessment. Willow has also obtained credentials relating to the UN Sustainability Goals, Resilience and ESD, Nature-Based Solutions for Disaster Resilience and Board Governance and Ethics and has extensive experience in working with First Nations communities to develop Indigenous-led projects and initiatives.
Over the past 15 years she has also been deeply engaged in working with the property, construction, engineering and subcontracting sectors, helping to build knowledge and capability relating to major trends including net zero design and operations, climate adaptation, climate resilience, supply chain sustainability, social value, First Nations engagement and ecosystem impacts mitigation.
Nishantha Manjula
For more than 15 years, Nishantha has been providing expertise for projects and clients across Asia-Pacific, delivering the engineering-led insight that ensures assets and infrastructure perform to the highest standards of efficiency and sustainability.
He is a qualified mechanical engineer with additional qualifications in management accounting, enabling him to provide commercially astute insight on the business case for asset optimisation. He also provides clients with the insight gained from his extensive international work, including projects in Singapore’s demanding data centre sector.
His specialities include environmentally sustainable design, building physics and building operations simulations and benchmarking, energy auditing and energy optimisation strategies, building services engineering design for new builds and retrofits, including electrification, and commissioning. Nishantha is also an accredited asset auditor and verifier for leading rating systems including LEED, WELL, NBABERs and Green Star.
Dr Dominique Hes
A pioneering researcher and strategist in placemaking, lifecycle assessment, circular economy, regenerative urban design, building performance principles, biophilia, indoor environment optimisation and embodied and operational carbon reduction, Dominique has developed and delivered pivotal projects for land managers, architects, engineers, built asset managers, Australian government departments, developers and local government.
Her proven ability to bridge disciplines and navigate governance complexities ensures the delivery of resilient, human-centered, and ecologically sound solutions.
In addition to a PhD in Architecture, Dominique holds degrees in Botany and Engineering, and qualifications in Governance from the Australian Institute of Company Directors. An accomplished author, Dominique has written and edited seven books and over 100 papers and reports, showcasing her ability to translate complex ideas into practical applications.
Her professional achievements have included establishing and leading Melbourne University’s THRIVE Hub for collaborative interdisciplinary and industry-lead research projects and interdisciplinary collaboration between construction, property, architecture, landscape and planning.
Accredited Expertise
Future-proof your business and assets
Let’s work together to achieve a more sustainable future built environment