Rephonic
Artwork for The Impact Equation
Climate Change
Education
Carbon Markets
Artificial Intelligence
ARK
Now Teach
Mental Health
Commonlit
Soil Capital
Stream
Save the Children Global Ventures
Impact Investing
Vectorcam
Edward Timpson
BEAM
Systemic Investing
Oceanmind
Notpla
Social Investment
Impact Economy

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 ... more

PublishesTwice weeklyEpisodes111Founded2 years ago
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EntrepreneurshipBusinessNon-Profit

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Artwork for The Impact Equation

Latest Episodes

Maia Ramarosandratana is the Founder of Projet Jeune Leader, an organisation she launched in 2013 and has since built into one of the most ambitious efforts to drive to deliver comprehensive sex education through public schools in Madagascar. Maia ha... more

Mary Long-Dhonau OBE has spent more than 25 years helping people prepare for one of the UK's fastest-growing climate risks. Known across the country as Flood Mary, she became an advocate after her own family home flooded repeatedly with contaminated ... more

Mati Carbon, led by founder and Mulago fellow Shantanu Agarwal, made history in April 2025 by winning the $100 million XPRIZE Carbon Removal. In this episode, Shantanu shares how Mati uses enhanced rock weathering to turn pollution into soil-enrichin... more

Today's episode we welcome Peter Briffett, CEO and co-founder of Stream. Most people are paid at the end of each month but bills and emergencies don't keep to a calendar, so the lowest-paid end up borrowing - through overdrafts and payday loans - to ... more

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Recent Guests

Mary Long-Dhonau
Flood resilience advocate and educator known as Flood Mary
Flood Mary / National Flood Forum
Episode: Mary Long-Dhonau OBE: Flood Mary (keep on advocatin')
Shantanu Agarwal
Founder and CEO of Mati Carbon
Mati Carbon
Episode: Shantanu Agarwal: The $100m Carbon Removal Breakthrough
Peter Briffett
CEO and co-founder of Stream (workspace finance company)
Stream
Episode: Peter Briffett: Taking On & Beating Payday Loans
Folake Owodunni
Co-founder and CEO of Emergency Response Africa
Emergency Response Africa
Episode: Folake Owodunni: Creating emergency infrastructure in Africa
Francis Maude
Senior British political figure and former minister
House of Lords / UK Government
Episode: Lord Maude: Fixing the State, from Thatcher to Cameron
Mark Bjornsgaard
Founder of Deep Green, data-center waste-heat reuse innovator
Deep Green
Episode: Mark Bjornsgaard: £Billion plan to Heat Homes Using AI Data Centres
Lucy Kellaway
Award-winning journalist, co-founder of Now Teach
Now Teach
Episode: Lucy Kellaway OBE: Award-Winning Journalist to Social Entrepreneur at 58
Graihagh Crawshaw-Sadler
CEO of Now Teach since 2023
Now Teach
Episode: Lucy Kellaway OBE: Award-Winning Journalist to Social Entrepreneur at 58
Yossi Abramowitz
Nobel Peace Prize nominee, co-founder of Gigawatt Global, pioneer in regional solar energy
Gigawatt Global / Arava Institute
Episode: Yossi Abramowitz: Nobel Prize Nominee & Powering the Middle East & Africa

Hosts

Adam Pike
Host of The Impact Equation
Rafi Addlestone
Co-host and impact advisor

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Talking Points

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Folake Owodunni: Creating emergency infrastructure in Africa
Q: What is the proposition to employers in Lagos, and how does the commercial model work with corporates and the public sector?
Folake explains a hybrid model: corporate clients often pay via subscriptions or retainers for a package of services (including fully managed ambulances and prepaid services), while public sector pilots are designed to be funded by government or grants, with the long-term aim of sustaining programs beyond the pilot through partnerships and shared funding.
Folake Owodunni: Creating emergency infrastructure in Africa
Q: So I'd love to zoom out and understand the scale of the business now and how many calls you might get in a day.
Folake describes that as of now they have completed about 8,000 cases, with the network mainly concentrated in Lagos, and the operation expanding to 11 states, reflecting a still-maturing scale but clear growth trajectory toward broader coverage and a more formalized revenue mix.
Mary Long-Dhonau OBE: Flood Mary (keep on advocatin')
Q: What should people do after a flood warning to prepare and protect their homes?
She outlines a practical to-do list: move valuables upstairs, write a flood plan, install barriers like air brakes and flood doors, have a grab bag ready, and use a to-do list for quick actions when warnings come, including insurance considerations.
Mary Long-Dhonau OBE: Flood Mary (keep on advocatin')
Q: What has changed in terms of protection and what still needs to improve?
Mary discusses that while there have been improvements—such as better awareness, the prominence of property flood resilience, and institutional support—defences can fail, and residents must take proactive steps to protect and recover properties, with emphasis on No Regrets Property Flood Resilience and proactive planning.
Mary Long-Dhonau OBE: Flood Mary (keep on advocatin')
Q: What was going on in your life at the time that led you to become an activist?
She explains being a young mother of five with a home at risk, the flooding cascading through infrastructure like the river Severn and sewage systems, and how the lack of practical guidance pushed her to create accessible resilience information for homeowners.

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Frequently Asked Questions About The Impact Equation

What is The Impact Equation about and what kind of topics does it cover?

This show features conversations with high‑impact leaders across philanthropy, government, business, and NGOs, unpacking what it takes to drive systemic change. Episodes frequently center on leadership, cross‑sector collaboration, and scalable social programs—from education reform and public health data to climate action and humanitarian aid. Guests are typically practitioners and policymakers who blend strategic thinking with hands‑on execution, sharing lessons on funding models, partnerships, governance, and measurement that help scale impact. The format tends to mix personal origin stories with practical insights, real‑world case studies, and calls to action for listeners who want to accelerate meaningful social change. A standout throug... more

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1. How To Win An Election
2. The Rest Is Politics
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4. The Rest Is Politics: Leading
5. The Rest Is Politics: US

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The Impact Equation launched 2 years ago and published 111 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on The Impact Equation?

Recent guests on The Impact Equation include:

1. Mary Long-Dhonau
2. Shantanu Agarwal
3. Peter Briffett
4. Folake Owodunni
5. Francis Maude
6. Mark Bjornsgaard
7. Lucy Kellaway
8. Graihagh Crawshaw-Sadler

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