
Elliot Costello
Cofounder and CEO
Elliot is the Founding CEO of Phantm. For the past four years, Elliot has developed regenerative solutions for our linear materials industry. An entrepreneur with a proven track record of scaling leading impact ventures in Australia, Asia, and Africa.
Writes about:
What London Climate Action Week revealed about packaging regulation
As EU PPWR compliance approaches, the businesses that understand their packaging, suppliers and material risks will be best placed to move first.
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Elliot Costello
June 30, 2026
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3
min read
What London Climate Action Week revealed about packaging regulation
Five Things I Learned at the Sustainability Leaders Summit (And One Uncomfortable Truth)
Five takeaways from the Sustainability Leaders Summit: why moral arguments are failing, how AI will reshape compliance, and what the smartest sustainability leaders are doing differently.
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Elliot Costello
March 17, 2026
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3
min read
Five Things I Learned at the Sustainability Leaders Summit (And One Uncomfortable Truth)
Five signals from the Climate Investor Forum that we can’t afford to ignore
A week in the room with climate investors and founders made one thing clear: the capital stack is shifting, regulation is lagging, and the bar for relevance is rising fast.
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Elliot Costello
February 25, 2026
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5
min read
Five signals from the Climate Investor Forum that we can’t afford to ignore
7 Key Takeaways from Climate Week NYC: A Call to Action for the Climate Industrial Revolution
Reflections on Phantm's sponsorship at the UN screening of 'Future Council' and the insights gathered from leaders driving global sustainability efforts.
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Elliot Costello
October 9, 2024
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2
min read
7 Key Takeaways from Climate Week NYC: A Call to Action for the Climate Industrial Revolution
A Future Beyond Plastics
I often wonder what life would be like without petrochemical plastics...
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Elliot Costello
March 11, 2024
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3
min read
A Future Beyond Plastics

Find out how Mutti Parma became regulation and retailer ready
As packaging regulations shift from voluntary to mandatory, Mutti Parma Australia wanted to stay ahead. They partnered with Phantm to assess their exposure, build a clearer picture of their packaging data, and uncover practical opportunities to reduce future cost and impact.
Our materials expertise is bolstered by a deep and extensive partnership network of materials visionaries, specialists and organisations




