A man wearing glasses and a black jacket stands on a walkway in front of a large observatory with a domed roof. The sky above is filled with stars and the Milky Way galaxy.
Logo for Fellow Science & Discovery, featuring a stylized brown molecular structure or atomic orbit icon above the word "Fellow" in white, with "Science & Discovery" written below in smaller white text.

Avi Loeb, PhD

Founding M Fellow, Harvard professor, astrophysicist, author, and scientific leader whose work spans cosmology, black holes, the first stars, and the search for extraterrestrial technological life.

Selected Appointments

  • Frank B. Baird Jr. Professor of Science, Harvard University

  • Director, the Galileo Project

  • Chair, UAP Science Advisory Council

  • Founding Director, Black Hole Initiative

  • Former Director, Institute for Theory and Computation (2005–2026)

  • Former Chair, Harvard Department of Astronomy (2011–2020)

Selected Honors

  • Fellow of the American Academy of Arts & Sciences, American Physical Society, and International Academy of Astronautics

  • Former member of the President’s Council of Advisors on Science and Technology

  • Former Chair of the National Academies’ Board on Physics and Astronomy

Selected Books

  • Extraterrestrial: The First Sign of Intelligent Life Beyond Earth

  • Interstellar: The Search for Extraterrestrial Life and Our Future in the Stars

Further Reading

  • Biography ➝

  • Publications ➝

  • Commentaries ➝

  • Books ➝

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