Restorick, who founded the organisation 20 years ago, says he wants to concentrate his efforts on a new project that will “speed-up the transition to a more sustainable economy”.

Explaining further, he said: “The time is right for me to hand over the running of the organisation. This year has been one of exceptional growth for Global Action Plan.

“The need to help people live more sustainable lifestyles has never been greater. Global Action Plan is in a unique position to deliver this change rapidly and at scale. I am excited to see what the future will hold under a new leader who will bring in fresh ideas and impetus.”

Global Action Plan chair Jeremy Oppenheim paid tribute to Restorick’s work over the years and said he was inspirational.

“Many entrepreneurs, in both the private and social sector, suffer from founders’ syndrome and are able to leave only when pushed.

“Trewin’s story is different. He continues to be the disruptive force in our lives, pushing all of us at GAP to take on new challenges.”

Last month, an in exclusive interview for edie, Restorick said the sustainability movement needed more “disruptive thinking” in order to progress.

Maxine Perella

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