Peggy Whitson is a pioneering astronaut and one of the most accomplished figures in human spaceflight.
A native of Iowa, Whitson holds the record for the most cumulative days in space by any woman — 665 days across three NASA missions. She has also completed ten spacewalks totaling over 60 hours. Peggy Whitson made history as the first female Chief of the Astronaut Office and the first woman to command two International Space Station expeditions. She demonstrates leadership, resilience, and scientific excellence at the highest level.
Following her retirement from NASA in 2018, Whitson transitioned to commercial spaceflight, commanding the Axiom-4 mission aboard SpaceX’s Crew Dragon in 2025. Leading a multinational crew, she oversaw 18 days aboard the ISS conducting more than 60 microgravity experiments, while guiding first-time astronauts from India, Poland, and Hungary.
From weightlifting and water skiing to mentoring future generations of scientists and astronauts, Peggy Whitson embodies curiosity, perseverance, and the power of setting ambitious goals. She has received numerous awards, including multiple NASA Space Flight Medals, the NASA Outstanding Leadership Medal, and international recognition such as the Russian Medal of Merit for Space.
As a speaker, Whitson offers a compelling combination of leadership insights, problem-solving under extreme conditions, and inspiration drawn from decades at the forefront of exploration. She speaks with authority on innovation, teamwork, resilience, and the evolving role of women in STEM, making her a uniquely engaging and relevant voice for audiences today.
Peggy Whitson earned a PhD in Biochemistry from Rice University and served in multiple leadership and research roles at NASA, including Project Scientist for the Shuttle-Mir Program and Chief of Station Operations. Her career reflects a rare blend of technical mastery, cross-cultural collaboration, and strategic leadership.