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The Impact Equation

The Impact Equation

By: Rafi Addlestone and Adam Pike
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Welcome to The Impact Equation, conversations with leaders shaping a brighter future, hosted by Adam Pike, social entrepreneur, and Rafi Addlestone, impact advisor, With our special guests, we unlock the secrets of those who dare to transform our world. We talk to architects of change, pioneers in their fields, working toward a brighter future for us all. In each episode, we dig into each element of the impact equation.



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Rafi Addlestone and Adam Pike
Earth Sciences Economics Leadership Management Management & Leadership Science
Episodes
  • Yossi Abramowitz: Nobel Prize Nominee & Powering the Middle East & Africa
    Jun 7 2026

    Yossi Abramowitz is a renewable energy pioneer, co-founder of the first utility-scale solar fields in both the Middle East and sub-Saharan Africa, co-founder of Gigawatt Global, and a Nobel Peace Prize nominee. Over the past two decades he has helped build renewable energy infrastructure across Israel and Africa, bringing clean power to communities that had long been excluded from reliable energy access. In this episode of The Impact Equation, Yossi reflects on the activist movements that shaped him, from the Soviet Jewry campaign to anti-apartheid organising, and how those experiences informed his approach to building entirely new industries. He tells the remarkable story of arriving in Israel's Arava desert intending to write a book, only to discover that one of the sunniest places on earth generated almost none of its electricity from solar power. What followed was a years-long effort to create an entirely new regulatory and commercial framework for renewable energy in the region.



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    53 mins
  • Ryan Kohn: From Popcorn to Climate
    Jun 3 2026

    Ryan Kohn has spent the last decade answering a challenge that stumps most founders: how do you scale a massive consumer brand while leaving the planet better than you found it. As the co-founder of PROPER, he took a kitchen-table startup and built it into Europe’s largest independent healthy snacking group. But alongside selling millions of packs across 15 countries, he embedded a deep commitment to the environment into the company’s DNA. Now, Ryan is turning his hand to climate philanthropy at scale, pioneering a new initiative called Point One to help reach more people to take responsibility for our world.



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    42 mins
  • Professor Tim Spector: Microbiome revolution and future of public health
    May 31 2026

    Professor Tim Spector has spent three decades asking: why do people respond so differently to the same food? As a genetic epidemiologist at King’s College London and founder of the Twins UK registry, he built one of the world’s richest long-term datasets on health, genetics, and environment. The insight that our gut microbiome may matter as much as our genes when it comes to metabolism and disease risk, helped to launch ZOE, a science-led nutrition company combining large-scale research with consumer testing to personalise diet advice. ZOE’s studies, including the large Predict trials and the widely used Covid Symptom Study app, have brought epidemiology into the era of digital health and citizen science. Tim was awarded an OBE for services to medicine. This episode explores the science behind the microbiome revolution and what personalised nutrition might mean for the future of public health.



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    39 mins
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