Dennis L. Gilbert (born October 7, 1943 in Bremerton, Washington) is a professor emeritus and former chair of sociology at Hamilton College in Clinton, New York.
He has published a variety of sociology books, mainly dealing with socio-economic stratification.
The class models featured in the series are used by other sociologists such as James Henslin, Brian K. Williams and Carl M. Wahlstrom.
His main areas of expertise are Latin America, social stratification, polling, and more specifically the American class structure.
[1] He developed the Gilbert model, a popular way of classifying people into social classes.