Martin Bulmer is Emeritus Professor of Sociology at the University of Surrey, UK. He retired in 2008, prior to which he was also Director of the ESRC Question Bank. He has edited the journal Ethnic and Racial Studies since 1993.

John Solomos is Professor of Sociology at City University London, UK. He has carried out extensive research on race, politics and social change and on theories of race and ethnicity. He is co-editor of Ethnic and Racial Studies.