sentences:  He then studied philosophy at the University of Illinois at Urbana-Champaign from 1979 to 1983, where he received a bachelor's degree with distinction; at the University of Chicago from 1985 to 1987 where he obtained his master's degree; and at the University of Texas at Austin from 1989 to 1993, where he obtained his PhD.In 1993, he began as an Assistant Professor of Humanities and Philosophy at the University of Texas at El Paso promoted to Associate Professor in 1999, and was Chair of the Philosophy Department 2002–2005.A writer for The Chronicle of Higher Education described Best in 2005 as "one of the leading scholarly voices on animal rights."