Elizabeth Warren Warren is the junior U.S. Senator for Massachusetts. She made her life’s work the fight for middle class families and became an expert on bankruptcy and an outspoken critic of consumer lenders. She is widely credited for the original thinking, political courage, and relentless persistence that led to the creation of the Consumer Financial Protection Bureau. Warren spent nearly 20 years as a professor of law at Harvard University, She is the author of several books including, The Two-Income Trap: Why Middle Class Mothers and Fathers Are Going Broke.