Suntzeff (born November 22, 1952, San Francisco) is an American University Distinguished Professor and holds the Mitchell/Heep/Munnerlyn Chair of Observational Astronomy in the Department of Physics & Astronomy at Texas A&M University where he is Director of the Astronomy Program.
He is an observational astronomer specializing in cosmology, supernovae, stellar populations, and astronomical instrumentation.
With Brian Schmidt he founded the High-z Supernova Search Team, which was honored with the Nobel Prize in Physics in 2011 to Schmidt and Adam Riess.