Jens Høj Christiansen, Westinghouse Reactor Physicist, Atomkraft Ja Tak Nuclear Advocate, January '26

Westinghouse reactor physicist intern Jens Høj Christiansen emerged as a leading proponent for nuclear energy within Denmark over the past several years as an analyst and speaker with Foreningen Atomkraft Ja Tak, an organization dedicated to educating the public and repealing Denmark’s ban on nuclear energy.

From organizing nuclear meetups and waste site tours to managing digital strategy for Generation Atomic and Sizewell C, Morris has worked to make nuclear more accessible, human, and culturally relevant. Today, at Helixos, she helps cleantech clients navigate the attention economy with compelling, people-first messaging.

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Jim Hopf, Nuclear Waste Specialist, Nuclear Engineer, Californian Advocate, February ‘25

With over 20 years of experience in nuclear waste management, Jim Hopf retired early to dedicate himself to nuclear advocacy. He has been a key voice in the fight for nuclear energy, sharing critical industry news, promoting carbon pricing with Citizens Climate Lobby, and playing a pivotal role in saving Diablo Canyon and Illinois nuclear plants from premature closure.

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Mads Bunch Larsen, Danish Political Scientist, Outdoorsman, Nuclear Advocate, February 25’

Mads Bunch Larsen, advocates for nuclear energy in Denmark as a board member of Foreningen Atomkraft Ja Tak, challenging the prevailing notion that the country is a clean energy leader. Larsen hopes to communicate the problems in the Danish grid, including heavy biomass use and imported electricity due to heavy reliance on wind power. Larsen is our February ally of the month.

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Ia Aanstoot, Swedish Youth Nuclear Activist, July ‘24

Ia Aanstoot, a participant in the Swedish “School Strikes for Climate” is a strong nuclear energy advocate at just 19. Aanstoot is involved with international nuclear advocacy and launched WePlanet’s “Dear Greenpeace” Campaign, an effort to protect nuclear energy in the European Union, which is facing legal attacks from Greenpeace.

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Jack Austin