Hank Green
Hank Green is a science communicator and online creator whose work brings AI into public discussion. He studied biochemistry and environmental studies, began video blogging with his brother John in 2007, and cofounded Complexly, which produces Crash Course and SciShow. His 2018 debut novel, An Absolutely Remarkable Thing, follows a young woman who finds an alien structure and becomes an internet celebrity. A 2025 SciShow episode explained AI alignment; TIME included Green in its 2026 TIME100 AI list. As of October 2026, he is a science communicator and YouTuber behind SciShow and Crash Course.
Timeline
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2002–2006
Studying science and environment
He earned a B.S. in biochemistry at Eckerd College in 2002 and an M.S. in environmental studies at the University of Montana. His 2006 master's thesis linked personal computers with the environmental movement.
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2007
A year of video blogs
In 2007, he and his brother John ran Brotherhood 2.0, a year-long project in which they replaced text messages with daily video blogs.
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2012
Building educational video
He and John founded Complexly in 2012 as an educational media company. Its educational channels include Crash Course and SciShow.
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September 2018
A science-fiction debut
His debut novel, An Absolutely Remarkable Thing, follows a young woman whose encounter with an alien structure brings overnight fame.
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October 2025
Explaining AI alignment
In SciShow’s We’ve Lost Control of AI, he describes alignment as bringing AI output in line with the values and standards its coders want.
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August 2026
ChatGPT enters video work
After viewers questioned a phrase in a Complexly video, he said he used ChatGPT to research its script. The episode raised a wider question about AI’s role in science communication.
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2026
AI recognition and new role
TIME included him in its 2026 TIME100 AI list. During the nonprofit transition, Complexly named him a Senior Advisor and said he would join its Board.
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As of October 2026
A science communicator online
He is a science communicator behind SciShow and Crash Course and a YouTuber.
Sources and credits
Photo: We have no published photo of Hank Green yet. Send us a free-licensed photo.
- Hank Green
- Environmental Writing Theses
- What we learned from Hank Green about building community online
- Complexly, Inc is Now a Non-Profit
- An Absolutely Remarkable Thing by Hank Green
- We’ve Lost Control of AI — SciShow — Rosetta
- YouTuber Hank Green says his AI usage is ‘not healthy’
- Science YouTuber Hank Green used AI to research his videos. His fans pushed back
- Anima Anandkumar Named to TIME AI 100