Alex Filippenko

Astrophysicist & Distinguished Professor at University of California, Berkeley; Gruber Cosmology Prize Recipient; Science Communicator Known for "The Universe"

Berkeley, CA, USA
Live Event: $10,000 - $20,000 Virtual Event: $5,000 - $10,000 More Fee Info
Earth Science, Education, Educational Motivational, Physics, Professors, Research & Exploration, Space
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Alex Filippenko Biography

Alex Filippenko is a professor of astronomy and the Richard & Rhoda Goldman Distinguished Professor in the Physical Sciences at the University of California, Berkeley. Filippenko's research in astrophysics focuses on supernovae, active galaxies, black holes, gamma-ray bursts, and the expansion of the universe, utilizing optical, ultraviolet, and near-infrared wavelengths. He has authored nearly 1,100 research papers in astronomy and astrophysics, and his work has been recognized with several major prizes. Filippenko's group developed the Katzman Automatic Imaging Telescope, which has conducted one of the world's leading searches for relatively nearby supernovae, discovering more than 1,000 events.

Filippenko is the only scientist to have been a member of both the Supernova Cosmology Project and the High-z Supernova Search Team. These teams used observations of extragalactic Type Ia supernovae to discover the accelerating expansion of the universe and the existence of dark energy. Science Magazine credited the two international teams with the top "Science Breakthrough of 1998" for this research. The Nobel Prize in Physics was awarded to the leaders of these groups—Saul Perlmutter, Brian Schmidt, and Adam Riess, who was a postdoctoral fellow in Filippenko's group at the time.

Filippenko was awarded the Gruber Cosmology Prize, which he shares with Ken'ichi Nomoto and Stanford Woosley, for transforming the understanding of supernovae into a quantitative and predictive framework. His research in optical spectroscopy demonstrated that many core-collapse supernovae result from massive stars with stripped envelopes, helped establish the Type IIn subclass, identified progenitors of some supernovae, revealed the aspherical nature of many supernovae, and showed heterogeneity among Type Ia supernovae—key to calibrating them for accurate distance measurements. Filippenko has also been elected to the National Academy of Sciences and the American Academy of Arts and Sciences, and shared the Breakthrough Prize in Fundamental Physics. He received the California Institute of Technology Distinguished Alumni Award.

In addition to his research, Filippenko is recognized as a science communicator in astronomy and astrophysics. He has received teaching accolades at the University of California, Berkeley, and has been voted "Best Professor" on campus multiple times. Filippenko was awarded the U.S. National Professor of the Year Award, sponsored by The Carnegie Foundation for the Advancement of Teaching. He has received the Astronomical Society of the Pacific's Richard H. Emmons Award for undergraduate teaching and the American Astronomical Society's Education Prize. Filippenko produced five astronomy video courses with "The Great Courses," coauthored an award-winning astronomy textbook in five editions, and appears in more than 120 TV documentaries, including about 50 episodes of "The Universe" series. He also received the Carl Sagan Prize for Science Popularization. Filippenko has given more than 2,000 public lectures and presentations, contributing to public understanding of cosmology, supernovae, and the universe.

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Speaker profile last updated by AAE Talent Team on 07/17/2026.

Alex Filippenko Videos

Alex Filippenko: Astronomer To The Stars

Alex Filippenko: Astronomer To The Stars

Despite all the media attention given to black holes, dark matter and dark energy, astronomy is actually all about the light—the decillions of...

Alex Filippenko at TEDxBerkeley

Alex Filippenko at TEDxBerkeley

Alex Filippenko received his Ph.D. in astronomy from Caltech in 1984 and joined the University of California, Berkeley faculty in 1986

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  • What topics does Alex Filippenko speak about?

    Alex Filippenko is a keynote speaker and industry expert whose speaking topics include Earth Science, Education, Educational Motivational, Physics, Professors, Research & Exploration, Space

  • Where does Alex Filippenko travel from?

    Alex Filippenko generally travels from Berkeley, CA, USA, but can be booked for private corporate events, personal appearances, keynote speeches, or other performances. For more details, please contact an AAE Booking agent.

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Alex Filippenko is a keynote speaker and industry expert who speaks on a wide range of topics. The estimated speaking fee range to book Alex Filippenko for your event is $10,000 - $20,000. Alex Filippenko generally travels from Berkeley, CA, USA and can be booked for (private) corporate events, personal appearances, keynote speeches, or other performances. Similar motivational celebrity speakers are John M. Grunsfeld, Maggie Aderin-Pocock, Don Lincoln, J. Anthony Tyson and Stella Offner. Contact All American Speakers for ratings, reviews, videos and information on scheduling Alex Filippenko for an upcoming live or virtual event.

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