Science Speakers

Science Speakers on the Environment, Space & STEM Education

The work of a scientist relies heavily on research and data analysis. Hailing from the natural, social, and formal sciences, the keynote speakers featured in this category include physical scientists like chemists and physicists, as well as social science experts in fields like anthropology, psychology, and sociology. Biologists and environmental activists demonstrate their efforts to raise awareness for climate change and advocate for clean energy, while leading astronauts provide an exclusive look into the world of space exploration and the discipline required for training and intensive STEM education. Whether you are looking to book a famous TV scientist or host, a happiness psychologist to boost morale, or a string theory physicist to predict trends affecting business, medicine, finance, and our way of life, these knowledgeable science speakers are ready to share their insights to engage, educate and inspire your audience.

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Cady Coleman
(2 ratings)

Former NASA Astronaut; Retired U.S. Air Force Officer & Chemist

Yvonne Cagle
(4 ratings)

NASA Management Astronaut & Retired U.S. Air Force Colonel

Peggy Whitson

NASA Astronaut; NASA's Most Experienced Female Astronaut; Biochemistry Researcher

Garrett Reisman
(2 ratings)

Astronaut, Professor of Astronautical Engineering at USC & Senior Advisor at SpaceX

Leland Melvin
(2 ratings)

Engineer, Former NASA Astronaut & Former NFL Wide Receiver

José M. Hernández
(5 ratings)

Former NASA Astronaut, Engineer, Former Candidate for U.S. Congress & Author

Dr. Paul Davies
(1 rating)

Director of BEYOND: Center for Fundamental Concepts in Science; Physicist, Cosmologist & Astrobiologist

Dottie Metcalf-Lindenburger
(1 rating)

Former NASA Astronaut; Educator & Earth Scientist

Gregory H. “Box” Johnson

Former NASA Astronaut, Retired Air Force Colonel & Past President of the Center for the Advancement of Science in Space

Tundi Agardy

Marine Conservationist & Founder of "Sound Seas," Research and Policy Project to Help Protect the Oceans and Ocean Life

Robert Curbeam

Former NASA Astronaut & Retired Captain in the U.S. Navy; Record Holder for Most Spacewalks During a Single Spaceflight

John “Danny” Olivas

Former NASA Astronaut & Mission Assurance Expert; Director of Space Initiatives at the University of Texas

Kevin Delaney
(1 rating)

Performer, Playwright & Educator; Former Host of "Street Science" on the Science Channel

Thomas D. Jones, PhD

Former NASA Astronaut & Planetary Scientist; Author

Bernard Harris
(1 rating)

Former NASA Astronaut; President & CEO of Vesalius Ventures; First African-American to Perform a Spacewalk

Mary Ellen Weber

Former NASA Astronaut & Legislative Affairs Liaison at NASA; Founder of Stellar Strategies

Stephanie Wilson

Engineer & NASA Astronaut; Second African-American Woman To Go Into Space