Dr. Kathryn D. Sullivan is an accomplished geologist, oceanographer, and former NASA astronaut, recognised for her significant contributions to both space exploration and science education. As the first American woman to walk in space, she has not only broken barriers but has also set a precedent for future generations of scientists and explorers. Her journey includes reaching the Challenger Deep, the deepest known point in the Earth's oceans, showcasing her commitment to pushing the boundaries of human exploration. Kathy's career is marked by her leadership as the Administrator of the National Oceanic and Atmospheric Administration (NOAA), where she championed environmental stewardship and the advancement of scientific research. Her experiences in both space and the ocean provide a unique perspective on the interconnectedness of our planet and the importance of preserving it for future generations. Throughout her career, Kathy has faced numerous challenges, from the rigorous training required to become an astronaut to the complexities of leading a major scientific organisation. Her resilience and determination have not only propelled her own career but have also inspired countless individuals to pursue their passions in science, technology, engineering, and mathematics (STEM). Kathy's dedication to empowering women in science is evident in her advocacy for increased representation and support for female scientists. Her insights and experiences resonate with audiences, encouraging them to embrace challenges and strive for excellence in their own fields. With numerous accolades to her name, including awards recognising her contributions to science and exploration, Kathy continues to be a leading voice in promoting the importance of education and exploration in understanding our world.