Mike Brown scans the skies searching for and intensely studying distant bodies in our solar system in the hope of gaining insight into how our planet and the planets around it came to be.
At Planet, Will Marshall leads overall strategy for commercializing new geospatial data and analytics that are disrupting agriculture, mapping, energy, the environment and other vertical markets.
With photography, Yann Arthus-Bertrand has captured the beauty of the Earth. Through video and film, his latest projects bind together ecology and humanism. For him, it's all about living together.
Tabetha Boyajian is best known for her research on KIC 8462852, a puzzling celestial body that has inspired otherwise sober scientists to brainstorm outlandish hypotheses.
Sylvia Earle has been at the forefront of ocean exploration for more than four decades. The winner of the 2009 TED Prize, she's a tireless advocate for our oceans.
Rick Smolan is the co-founder of the America 24/7 and Day in the Life photography series -- and a natural storyteller in many media. His latest books are America at Home and Blue Planet Run.
Penny Chisholm studies an extremely tiny microorganism that plays an enormous role in ocean ecosystems. Discovered only three decades ago, it has defined her career and inspired her to think differently about life on Earth.