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 and marketing specialist, connecting our partners with the life-changing impacts of carbon offset investment.
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.
Adrian Enright

Adrian Enright

Partnerships Director

Adrian leads the TEM sales strategy based out of Sydney.
Elizabeth Mathew

Elizabeth Mathew

Carbon Solutions Manager

Elizabeth brings her wealth of global carbon market experience to deliver sophisticated, tailored carbon solutions for our clients.
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.
Stuart Macleod

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.
Kathrine Callegari

Kathrine Callegari

Business Systems Analyst

With a 25-year career in the airline and travel industry, Kathrine is an award-winning Systems Analyst enjoying comprehensive experience across reservations, departure control, operations, CRM and loyalty reward programs.

Carbon offset specialists

Clear on carbon

Tasman Environmental Markets (TEM) is an authorised representative (CAR 001248300) of TEM Financial Services Pty Limited (ABN 58 142 268 479, AFSL 430036). TEM is authorised to provide financial services to wholesale clients (within the meaning of the Corporations Act 2001).

TEM is a certified B Corporation, member of CMI and signatory to the Australian Carbon Industry Code of Conduct.

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