Jeffrey Hall is Executive Director of Lowell Observatory. He has a B.A. in physics from Johns Hopkins and a Ph.D. in astronomy and astrophysics from Penn State. He joined the staff at Lowell in 1992 as a postdoctoral research fellow, specializing in variations of the Sun and Sun-like stars and solar effects on terrestrial climate. His principal avocation is music; he is the substitute organist at Epiphany Episcopal Church in Flagstaff and former President of the Board of Directors of the Flagstaff Symphony Orchestra. He served as Senior Warden at Epiphany church and is a former member of the Governing Board of Northland Preparatory Academy. He can occasionally be found on Mount Elden on his mountain bike.