Joanna Breyer was educated at Oxford and Harvard where she got her psychology doctoral degree in 1983. As a psychologist she worked with children with cancer and their families for over 25 years at Dana Farber Cancer Institute (DFCI) and Children's Hospital Boston. She worked in the David B. Perini Quality of Life Clinic for Survivors of Childhood Cancer for over 10 years. She is married to Supreme Court Associate Justice Stephen Breyer.
