Astronaut Chris Sembroski
- Commercial Astronaut (Inspiration4)
- Avionics Engineer, Blue Origin
- Aerospace Engineer, Lockheed Martin
- United States Air Force Veteran
Keynote Speaker
- Leadership
- Science
- Space Travel & Tourism
Experience an Inspiring Journey to Space...
Chris Sembroski is one of four commercial Astronauts from the historic SpaceX Inspiration4 mission; the world's first all-civilian orbital spaceflight.
Inspiration4 was launched in September 2021, spending 3 days in Earth orbit and raising over $250 million for St. Jude Children's Research Hospital, demonstrating the power of purpose-driven exploration.
The four crew members represented the mission pillars; Leadership, Hope Generosity and Prosperity. The seat for Generosity was assigned to Chris Sembroski.
- Worlds first all-civilian orbital spaceflight.
- SpaceX Falcon 9 Rocket & "Resilience" Crew Dragon Spacecraft.
- Launched 15th September 2021. Landed 18th September 2021.
- Achieved an orbital altitude of 575km, higher than the International Space Station (420km) and Hubble Space Telescope (540km).
With a lifelong passion for space, Chris began his journey building model rockets and later earned a degree in aeronautics from Embry-Riddle Aeronautical University.
He went on to serve in the U.S. Air Force, including deployment during the Iraq War, where he worked on advanced missile systems.
Today, Chris is an avionics engineer working on next-generation launch systems, contributing to the future of commercial spaceflight.
His career has focused on applying data-driven solutions to complex engineering challenges across industries, from aerospace to large-scale infrastructure, improving efficiency and performance.
As a speaker, Chris brings a unique blend of real-world spaceflight experience and technical expertise. He translates complex ideas into engaging, accessible insights, inspiring audiences to embrace innovation, pursue ambitious goals, and take meaningful action.
His talks explore themes such as the future of space exploration, leadership under pressure, and the importance of curiosity and lifelong learning.
Passionate about education and expanding access to space, Chris is dedicated to motivating the next generation of scientists, engineers and explorers to follow their ambitions and help shape humanity’s future beyond Earth.
COUNTDOWN: Inspiraton4 Mission To Space
From Real Life... to Netflix… to your event stage.
Now you can hear the story, live, in-person and experience what the cameras can't capture. The emotion and memory of the crew who flew this historic first mission.
Go beyond the documentary, behind the scenes. Find out what space really does to the way you see life on Earth.
If the Netflix documentary series inspired you….. a live event with Chris will stay with you, and your audience!
Space is closer than you think!
What's Next?
- Please allow 7 days for an initial response. We may ask for additional information or clarification.
- Astronaut availability can take several weeks to confirm.
- Once agreed, we will issue a Booking Agreement Form, detailing full terms and conditions.
- All UK bookings are coordinated by The Armchair Astronaut.
- We welcome requests from European countries.
- Please check your spam folder if you have not had a response within 7 days.
All Astronaut portrait images are credited to NASA and/or ESA.
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