Finkelstein directs the Cosmic Frontier Center and is the primary investigator (PI) for the James Webb Space Telescope’s (JWST) CEERS Survey, which provided humanity’s first glimpse into galaxy formation in the first 400 million years of cosmic time. He is also the Co-PI of the NGDEEP survey, JWST’s deepest look into the early universe. He plays key roles in the upcoming European Space Agency (ESA) Euclid telescope, as well as NASA’s next flagship observatory, the Nancy Grace Roman Space Telescope.