Combined 60 years of market experience
Unrivalled expertise
TEM’s principals are specialists in global compliance and voluntary carbon markets, we can help you navigate carbon risk management and offset purchases and integrate sophisticated technology solutions. Our people, systems and process deliver rigorous due diligence that ensures the integrity of every single offset we transact.
Leading the way in carbon offsetting
The TEM team
Peter Castellas
Chief Executive Officer
TEM is led by Peter brings who brings thirty years experience working at the leading edge of the sustainable development agenda.
Andrew Grant
Executive Chairman
Andrew Grant has pioneered all aspects of carbon markets in Australia. Andrew has a rich and varied career holding leadership roles in major corporates, advisory firms and listed companies.
James Moulder
Executive Director
With over fifteen years experience in the development of carbon trading in both New Zealand and Australia, James is co-Founder of TEM and has held senior executive positions during his career as a trader and risk manager.
Gemma Bundy
Executive Assistant
Gemma manages our administration and information flow, ensuring the smooth and efficient running of our processes.
Elise Margaritis
Creative Director
Elise is our creative lead with over 11 years working in the carbon industry. She specialises in bringing carbon offsetting to life through branding, experiences, campaigns, social media and stakeholder engagement.
Guy Ballard
Chief Technology Officer
Across his successful career, Guy has implemented both inwardly and customer facing systems of all sizes and configurations.
Adrian Enright
Partnerships Director
Adrian leads the TEM sales strategy based out of Sydney.
Alexander Lewis
Commercial Manager
Alex designs and administers our carbon market systems and processes, ensuring TEM and our clients are at the forefront of climate policy.
Stuart Macleod
Carbon Projects Development Manager
With over 14 years experience working in carbon project management and land system studies, Stuart draws upon a rich pool of skills.
Natalia McGregor
Corporate Partnerships Manager, Qantas Future Planet
Natalia oversees corporate partnership management for the Future Planet Program.
Tim Worrall
Dealer's Assistant
Tim has over 20 years experience in the downstream oil industry with Mobil Oil and BP in South Africa, the UK and Australia including as Clean Fuels Manager for BP Australia.