Dave Heller hosts All Things Considered WHYY. In addition to his news broadcasting career, which started at WRUR-FM as a University of Rochester undergrad, Dave also pursued counseling psychology at Villanova University. Both endeavors inform his passion for listening and asking questions. Off the broadcast clock, Dave is likely to be found on two wheels around the Delaware Valley, or on two feet at music venues around the country.

Derrick is currently the Chief Astronomer and Director of the Fels Planetarium at The Franklin Institute. He’s also been a NASA Solar System Ambassador since 2009 and serves as the “Astrobiology Ambassador” for the NASA/MIRS/UNCF Special Program Corporation’s Astrobiology Partnership Program. One of his newest honors is an appointment to the outreach advisory board for the world’s largest telescope, the new Thirty-Meter-Telescope at Mauna Kea in Hawaii.For more than two decades, Derrick has hosted award-winning astronomy radio programs for Philadelphia’s two public radio stations and created signature astronomy television programming for PBS. One of the highlights of Derrick’s career was meeting President Obama and his family when he was invited to participate in the first-ever White House Star Party.

Derrick has received numerous awards including an honorary Doctor of Science Degree from La Salle University, and serves on the Board of Trustees for his alma mater St. Lawrence University. His twitter handle is @CoolAstronomer and his motto is “Eat, breathe, do science. Sleep later.”