Michael Mann is a British-born sociology professor of at the University of California at Los Angeles (UCLA). He was a reader in sociology at the London School of Economics and Sociology from 1977 to 1987 and received his PhD in Sociology from Oxford University. He is the author of The Sources of Social Power (Cambridge, 1986, 1993), Fascists (Cambridge, 2004), and The Dark Side of Democracy: Explaining Ethnic Cleansing (Cambridge, 2005).