Alan Michael Dressler (born 23 March 1948) is an American astronomer at the Carnegie Institution for Science of Washington, D.C.
[2] Dressler was born in Cincinnati, Ohio, graduated from Walnut Hills High School[3] in 1966, and received his bachelor's degree in physics in 1970 from the University of California, Berkeley and his doctorate in astronomy in 1976 from the University of California, Santa Cruz.
His primary professional interests lie in cosmology, birth and evolution of galaxies, astronomical instrumentation, and extragalactic astronomy.
[6] Dressler was chairman of the Origins Subcommittee (OS) for NASA from 2000 to 2003,[7] but declined membership in the Review of Near-Earth Object Surveys and Hazard Mitigation Strategies, Survey/Detection Panel.
[8] Dressler is currently working on the Inamori Magellan Areal Camera and Spectrograph (IMACS) Cluster Building Survey which studies the evolution of stellar structures and populations in distant galaxy clusters, which means the events observed took place four to seven billion years ago.