William MacAskill

Co-Founder & President of the Centre for Effective Altruism; Associate Professor of Philosophy at Oxford University

Oxford, UK
Live Event: Please Contact Virtual Event: Please Contact More Fee Info
Author, Entrepreneurship, European Heritage, Non-Profit, Philosophy
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William MacAskill Biography

William MacAskill is an Associate Professor in Philosophy at Oxford University. He was educated at Cambridge, Princeton, and Oxford. His research has two main focuses. The first addresses the issue of how one ought to make decisions under normative uncertainty; in addition to a DPhil on the topic, he has published on this issue in Ethics, Mind, and The Journal of Philosophy. The second is on effective altruism: the use of evidence and reason to promote the wellbeing of all. His book on the topic, Doing Good Better, was published in 2015, and reviewed favorably in The London Review of Books, The Times Literary Supplement, The Guardian and The New York Times. Together with Krister Bykvist and Toby Ord, he has co-authored Moral Uncertainty, a book on how we should make decisions when we’re uncertain about what we ought, morally, to do. He has a recently published book called What We Owe The Future, which makes the case for longtermsim - the view that positively influencing the long-term future is a key moral priority of our time. It was favorably covered in Time Magazine, NPR, The Atlantic, The Economist, The Financial Times, The Los Angeles Times, and The Guardian.

William is the cofounder of three non-profits based on effective altruist principles: Giving What We Can (2009), 80,000 Hours (2011), and the Centre for Effective Altruism (2012). These organizations have collectively raised over $15 million for effective charities with a further $700 million in lifetime pledged donations, and sparked the ’effective altruism movement’, with thousands of members and over a hundred local groups around the world. He is also a research fellow at the Global Priorities Institute, an interdisciplinary research centre at the University of Oxford which aims to conduct foundational research that informs the decision-making of individuals and institutions seeking to do as much good as possible. In 2016, he founded the Forethought Foundation to promote academic work that addresses the question of how to use our scarce resources to improve the world as much as possible.

William has written over 30 popular articles on ethics and effective altruism for venues such as The New York Times, The New Yorker, The Guardian, The Independent, Time, The Atlantic, and The Washington Post. He has given dozens of public lectures at academic and corporate events, including the Oxford Union, London Intelligence Squared, and the Google Future Forum. He is regularly in the media, appearing in venues such as The Tim Ferriss Show, The Today Programme, and the BBC News at Ten, and has advised a range of external parties including Number 10 Downing Street and former Prime Minister Gordon Brown.

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Speaker profile last updated by AAE Talent Team on 06/16/2025.

William MacAskill Speaking Topics

  • What We Owe The Future

    The human story is just beginning. There are 5,000 years of written history, but perhaps millions more to come. In What We Owe the Future, philosopher William MacAskill develops a perspective he calls longtermism, showing that our vast future is of enormous moral importance. We uphold the idea that where we live does not affect our moral worth; MacAskill argues that when we live does not matter either.

    Yet we are putting future generations at grave risk, and not just from climate change. AI could lock us into a perpetual dystopia, and manmade pandemics could consign us to oblivion. So much is at stake because, if we avoid these threats, moral and technological progress could result in unimaginable human flourishing.

    What we do today will determine the happiness or misery of trillions of people to come. As MacAskill shows, the future is in our hands.

William MacAskill Videos

What are the most important moral problems of our time? | Will MacAskill

What are the most important moral problems of our time? | Will MacAskill

Of all the problems facing humanity, which should we focus on solving first? In a compelling talk about how to make the world better, moral...

William MacAskill on 'Which Careers Do The Most Good?' - YouTube

William MacAskill on 'Which Careers Do The Most Good?' - YouTube

Don't Work for a Charity. | William MacAskill

Don't Work for a Charity. | William MacAskill

See All Videos »

What We Owe the Future
What We Owe the Future
Doing Good Better: How Effective Altruism Can Help You Make a Difference
Doing Good Better: How Effective Altruism Can Help You Make a Difference

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  • What topics does William MacAskill speak about?

    William MacAskill is a keynote speaker and industry expert whose speaking topics include Author, Entrepreneurship, European Heritage, Non-Profit, Philosophy

  • Where does William MacAskill travel from?

    William MacAskill generally travels from Oxford, UK, but can be booked for private corporate events, personal appearances, keynote speeches, or other performances. For more details, please contact an AAE Booking agent.

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William MacAskill is a keynote speaker and industry expert who speaks on a wide range of topics such as What We Owe The Future. The estimated speaking fee range to book William MacAskill for your event is available upon request. William MacAskill generally travels from Oxford, UK and can be booked for (private) corporate events, personal appearances, keynote speeches, or other performances. Similar motivational celebrity speakers are Valerie Hannon, Gemma Milne, Todd Rose, Jake Wood and Amanda Lindhout. Contact All American Speakers for ratings, reviews, videos and information on scheduling William MacAskill for an upcoming live or virtual event.

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