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Dr Tim Gregory

Dr. Tim Gregory inspires organizations with powerful keynotes on nuclear energy, space science, and future-focused innovation.

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Why book Tim Gregory for your next event

  • Turn complex science into business advantage with a keynote that simplifies nuclear, space, and innovation topics for practical application.
  • Inspire your team with scientific thinking that drives innovation, problem-solving, and future-proof decision-making across industries.
  • Finalist on BBC’s Astronauts, Tim delivers keynotes shaped by elite scientific and psychological resilience training.

Non-binding request for Tim Gregory

Nuclear Thinking for a Sustainable Future

Dr. Tim Gregory brings the brilliance of nuclear science and space exploration to your stage. A BBC presenter, author, and nuclear chemist, he translates complex science into powerful insights on innovation, sustainability, and the future. From NASA to net zero, his keynotes inspire curiosity, drive bold thinking, and energize teams to embrace science as a strategic advantage. Perfect for organizations seeking to spark innovation and navigate tomorrow with confidence.

Keynote Speaker Tim Gregory is renowned for turning complex science into captivating, business-relevant insight. As a nuclear chemist working at the forefront of the British nuclear industry, Tim specializes in nuclear energy, net zero solutions, and nuclear medicine, making him an ideal speaker for organizations navigating sustainability, innovation, and scientific transformation.

Tim holds a PhD in cosmochemistry from the University of Bristol and has conducted research with the British Geological Survey and NASA’s Johnson Space Center. His deep academic roots and hands-on industry experience allow him to connect cutting-edge science to real-world corporate challenges. Whether he's explaining the chemistry of nuclear materials or drawing lessons from meteorites about Earth’s origins, Tim’s storytelling is rich, insightful, and highly relevant to today’s business landscape.

Known for his role as a BBC science presenter and author of Meteorite: How Stones from Outer Space Made Our World, Tim also appeared as a finalist in BBC’s Astronauts: Do You Have What It Takes? His media presence and energetic delivery make him a compelling voice on stage, equally comfortable inspiring C-suites, technical teams, and general audiences.

Organizations book Tim Gregory for their events to gain clarity on scientific complexity, inspire innovation mindsets, and align their teams with the future. If you’re looking for a speaker who can connect science to strategy with passion and precision, book Tim Gregory for your event today.

Keynotes

Keynote by Tim Gregory:

Nuclear Power – the Key to Net Zero

The British Government’s net zero policy will affect all our daily lives. From how we power our homes to how we fuel our economy, the plan to phase out fossil fuels and replace them with zero carbon energy is an unprecedented challenge. But there is a solution – nuclear. Nuclear power is the only form of mass energy generation that can replace fossil fuels, and, unlike other renewable sources, it works day or night, rain or shine.

Request a quote: Tim Gregory Nuclear Power – the Key to Net Zero

Keynote by Tim Gregory:

Understanding the Opportunity in Nuclear Waste

Nuclear energy is bound inside the heart of atoms. It has the potential to power our civilisation while avoiding climate change, but nuclear waste — hazardous for hundreds of millennia — is often touted as a reason not to pursue a nuclear-powered future. Emerging technologies, however, cast nuclear waste in a new light, transforming it from our deadliest foe to one of our greatest assets, with the ability to power new reactors, cure cancers, and take us into deep space.

Request a quote: Tim Gregory Understanding the Opportunity in Nuclear Waste

Keynote by Tim Gregory:

Blue Sky Science — Lessons for Innovation

So-called ‘blue sky science’ — that is, science that is curiosity-driven with no explicit or immediate real world application — is part of the lifeblood of the scientific enterprise and technological innovation. Unconstrained by specificity, it often takes us to uncharted territories, and from it come many unexpected and miraculous discoveries. Indeed, many of the things we take for granted in our everyday lives saw their inception in esoteric and abstract questions of academic research – and there are many lessons here for innovation in business too.

Request a quote: Tim Gregory Blue Sky Science — Lessons for Innovation

Keynote by Tim Gregory:

Cosmochemistry — Lessons from the Bigger Picture

The charred remains of stones that fall from the sky have captured the human imagination for millennia, and using the tools of modern science we have read from them the most ancient tales in the Solar System: the coming together of our planetary system, the formation of worlds, and clues to our own origins. Meteorites are custodians of deep time and interstellar chemistry. These rocks from outer space can offer lessons about ourselves and our organisation by taking a step back and looking at the bigger picture.

Request a quote: Tim Gregory Cosmochemistry — Lessons from the Bigger Picture

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Email: contact@a-speakers.com