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.

Join Our Team

Leading the way in carbon offsetting

The TEM team

Peter Castellas

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

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

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

Gemma Bundy

Executive Assistant

Gemma manages our administration and information flow, ensuring the smooth and efficient running of our processes.
Elise Margaritis

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

Guy Ballard

Chief Technology Officer

Across his successful career, Guy has implemented both inwardly and customer facing systems of all sizes and configurations.
Alexander Lewis

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.
Tim Worrall

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.

Australia’s greatest brand becomes a sustainability leader

The Qantas Future Planet team

Adrian Enright

Adrian Enright

Corporate Partnerships Manager

Adrian leads the sales program for the Future Planet Program, based from Qantas Mascot.
Staff_profiles_Jodie

Jodie House

Partnerships Advisor

Jodie is responsible for day to day client management, overseeing service delivery and client relations. Jodie has a detailed background in partner relationship management for a range of online booking engines.

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