The Impact Equation

Lucy Kellaway is an award-winning journalist, former Financial Times columnist, Business Journalist of the Year, and recipient of an OBE for services to education. Shortly after her 58th birthday, she left a 30-year career at the FT to retrain as a maths teacher and went on to co-found Now Teach with Katie Waldegrave. Joined by Graihagh Crawshaw-Sadler, CEO of Now Teach and former Director of Strategy and Learning at Teach First, who has helped turn the organisation from a compelling idea into a sustainable model supporting career changers into teaching. With thanks to our friends at Ark for helping us to make this episode happen!

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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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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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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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Edward Booty is founder and CEO of reach52, getting essential healthcare products and services to people the system doesn’t reach. Edward has spent his career working across health systems in low and middle-income countries, where access isn’t just about clinics or medicines, but trust, distribution, and behaviour. Through reach52, he’s building a community-driven model that combines digital platforms with local health workers, integrating public and private sectors to reach millions of people typically left out of formal healthcare. This conversation is the third in our series with our friends and partners at Save the Children Global Ventures.

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João Abreu is a Brazilian public health innovator and the co-founder and executive director of ImpulsoGov, a non-profit scaling data-driven tools and technology into Brazil’s universal public health system - the world’s largest single-payer public healthcare network. Founded during the COVID-19 pandemic, ImpulsoGov has grown to partner with governments in hundreds of municipalities, helping health teams use data to act proactively, equitably and preventively. Joao's organisation has won international recognition, including selection to the MIT Solve Global Health Challenge, and reflects João’s deep commitment to closing gaps in access and quality of care by putting real-world data into the hands of frontline teams. This is the latest in our special series with our friends at 100X Impact.

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Luke Tryl is executive director of More in Common UK, the research organisation that has become the reference point for understanding what British voters actually think - and how often the political class misreads them. In this episode, Luke walks us through More in Common's seven-segment model of British values, built on Jonathan Haidt's Moral Foundations Theory and Karen Stenner's work on authoritarianism. He explains why the morning of 24 June 2016 convinced him the whole political class in the UK had missed something fundamental about the country, and why the answer is not government by focus group but better listening upstream of policy.

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