Top 100 Nuclear Influencers

Celebrating the professionals shaping conversations across the UK nuclear sector

Top 100 Most Influential Nuclear Professionals 2026

Celebrating the professionals using their online influence to inform, educate and inspire the UK nuclear sector.

The Nuclear Institute Top 100 Most Influential Nuclear Professionals 2026 has been revealed, recognising the individuals making an impact across the nuclear industry through their online presence.

From engineers and scientists to project professionals, communicators and industry leaders, this year's Top 100 celebrates those using their platforms to share expertise, champion innovation, encourage collaboration and raise the profile of the UK nuclear sector.

Congratulations to all 100 professionals recognised this year, and to Ruan Steyn, our overall 2026 winner!

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Meet our 2026 winner: Ruan Steyn

Congratulations to Ruan Steyn MBA, MSc, PMP, named the Nuclear Institute's Most Influential Nuclear Professional of 2026!

Ruan, Nuclear Delivery Lead at Sizewell C, was announced as the overall winner at the Nuclear Institute Volunteer Awards in Crewe on 23 September 2026.

Recognised for his online influence, reach and engagement, Ruan uses his platform to share technical expertise and programme leadership insights that support nuclear delivery. His experience spans reactor engineering and life extension through to major new-build projects.

“I am honoured to receive this award. It is a privilege to be part of the nuclear industry and we are at an exciting point in our journey, with significant opportunities ahead. My thanks to the Nuclear Institute for its commitment to supporting professionals and helping to shape the future of our sector.”

Ruan Steyn, Nuclear Delivery Lead, Sizewell C

Read the winner announcement

Meet the Top 100

Introducing the Nuclear Institute Top 100 Most Influential Nuclear Professionals 2026!

From technical specialists and researchers to communicators, educators and industry leaders, this year's Top 100 showcases the breadth of talent and expertise across the UK nuclear sector.

Each professional recognised is helping to raise the profile of nuclear through their online presence, sharing knowledge, encouraging collaboration and inspiring the next generation.

Explore the full Top 100 below and join us in celebrating the professionals making an impact across our industry.

What is the Top 100?

The Nuclear Institute Top 100 Most Influential Nuclear Professionals celebrates the individuals making a measurable impact across the nuclear sector through their online presence.

By sharing technical knowledge, industry insights, career experiences and thought leadership, these professionals help educate audiences, encourage collaboration and inspire the next generation of nuclear talent.

The Top 100 showcases the people driving positive conversations about nuclear and helping to strengthen the industry's profile within the sector and beyond.

How did we select them?

Every nominee was independently evaluated using three measurable criteria to ensure a fair, transparent and data-driven assessment.

Followers

The size of their online audience.

Engagement

The level of interaction their content generates, including likes, comments, mentions and shares.

Reach

The number of people who see their content across digital platforms.

Together, these measures ensure every nominee is assessed consistently using objective data rather than subjective opinion.

Looking ahead to 2027

Thank you to everyone who submitted a nomination and helped make the Top 100 Most Influential Nuclear Professionals 2026 a celebration of the people making an impact across our industry.

Congratulations once again to Ruan Steyn and all 100 professionals recognised this year.

Think you know someone making a difference through their online influence? Keep an eye out for the opening of nominations for the Top 100 Most Influential Nuclear Professionals 2027 and your opportunity to recognise those helping to raise the profile of the nuclear sector.