Phyllis Krock attended the Dana Hall School in Wellesley, Massachusetts, and graduated from the University of Rhode Island. Her long-time interests are in mental retardation and health. She served as president of the Boston Association for Retarded Citizens. Krock served as chair of the Discovery Celebration for Dana-Farber in Palm Beach, Florida, in 1998 and 2006. She chaired the Discovery Celebration Kick-Off Party for 10 years. She is also a former board member of the Jewish Federation of Palm Beach and the Florida Philharmonic. Krock is currently on the board of the United Way of Palm Beach and is chairperson of the Friends of Morse Life.
Krock has been a member of the Board of Trustees of Dana-Farber since 1997.