The authoritative guide to ensuring science and technology make life on Earth better, not worse.

Watch the 2025 Doomsday Clock announcement on January 28


Johanna Walker

Johanna Walker is an early-career researcher in the Distributed Artificial Intelligence group at King's College London. She holds a PhD in data-driven innovation from the University of Southampton and an MBA from the London Business School. Her research focuses on public and private sector co-creation, open data ecosystems, data governance, data literacy, and her work with EU funded project MediaFutures saw her engage with how AI and art can intersect to combat misinformation.