Researcher

Bjorn Stevens

Bjorn Stevens is a climate researcher whose work connects clouds, atmospheric circulation and computational models. Stevens earned an atmospheric-science doctorate in 1996, held a postdoctoral position at NCAR, joined UCLA in 1999 and became a Max Planck director in 2008. His AI connection includes a 2021 presentation on using machine learning with storm-resolving Earth-system models. He has described machine learning as a way to extract and use information from expensive simulations. He later discussed hybrid AI and physics-based models.

Works
734
Citations
57,487
h-index
105

Publication numbers from OpenAlex, as of 14 October 2026.

Photo of Bjorn Stevens

Timeline

  1. 1996–1999

    Atmospheric-science training

    Stevens earned a doctorate at Colorado State in 1996, worked as a postdoctoral researcher at NCAR from 1996 to 1998 and held a Humboldt fellowship in Hamburg from 1998 to 1999.

  2. 1999–2008

    UCLA and Max Planck

    Stevens joined UCLA as an assistant professor in 1999 and was later promoted. He became director of the Max Planck Institute for Meteorology in 2008. His research concerns clouds, circulation and how these processes shape climate.

  3. 8 September 2021

    Machine learning for detailed climate models

    Stevens presented on machine learning for a new generation of storm-resolving Earth-system models. He discussed extracting and using information from high-cost simulations.

  4. January 2025

    Hybrid models and climate computing

    Stevens later discussed hybrid AI and physics-based models and data-driven approaches in climate research. His research focuses on clouds and simulation science. AI is one part of this wider scientific programme.

Sources and credits

Photo: mpimet.mpg.de; creator not stated. License: Not stated by source. Source: mpimet.mpg.de. Cropped to a square and resized. Ask us to remove or replace this photo.

  1. Max Planck Meteorology: Bjorn Stevens direct CV and event record mpimet.mpg.de. Checked 13 October 2026.