Dimitar Sasselov studies stars and planets at Harvard University, where he is the Phillips Professor of Astronomy. His research explores modes of interaction between light and matter. Sasselov and his team discovered several planets orbiting other stars with novel techniques that he hopes to use to find other planets like Earth. His book The Life of Super-Earths describes the renewed search for life on other planets. Sasselov has a Ph.D. in physics from Sofia University, followed by a Ph.D. in astronomy from the University of Toronto. He’s received numerous awards and has lectured at DLD, TED, and Davos. Sasselov is the founding director of the Harvard Origins of Life Initiative, a cross-disciplinary research effort. He was a senior science advisor for the Radcliffe Institute for Advanced Study and a member of the Global Agenda Council on space security at the World Economic Forum.