Sam Webb is a member of the National Committee of the Communist Paryt USA. He served as the party's national chairperson from 2000 to 2014. Previously he was the state organizer of the Communist Party in Michigan. Earlier, he was active in the labor movement in his home state of Maine.

He is a public spokesperson for the CPUSA, and travels extensively in the U.S. and abroad, including trips to South Africa, China, Vietnam, and Cuba where he met with leaders of those countries.

Webb currently resides in New York City, graduated from St. Francis Xavier University in Nova Scotia and received his MA in economics from the University of Connecticut.