Marshall Rosenberg was an American psychologist and the creator of Nonviolent Communication, a communication process that helps people to exchange the information necessary to resolve conflicts and differences peacefully. He was the founder and Director of Educational Services for the Center for Nonviolent Communication, an international non-profit organization.

In 1961, Rosenberg received his Ph.D. in clinical psychology from the University of Wisconsin–Madison and in 1966 was awarded Diplomate status in clinical psychology from the American Board of Examiners in Professional Psychology. He lived in Albuquerque, New Mexico, where the Center for Nonviolent Communication's office is located.