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Nursing Theory

About MSMU

Nurse Theorist


Meet Sister Callista Roy, RN, PhD, FAAN

Sister Callista Roy is a highly respected nurse theorist, writer, lecturer, researcher, teacher and member of the religious community. She currently is an Adjunct Professor at Mount Saint Mary's University and Professor Emeritus at Boston College Connell School of Nursing. Her name is one of the most recognized in the field of nursing today worldwide. She is considered among nursing’s great living thinkers.


Education History

  • Post Doctoral Fellow, Neuroscience Nursing - University of California, San Francisco
  • M.S., M.A., Ph.D. Pediatric Nursing, Sociology - University of California, Los Angeles
  • B.A. with a major in Nursing - Mount Saint Mary's College

Research Interests

A structure of nursing knowledge development for the 21st Century; philosophical basis and spirituality of adaptation nursing; domain derived knowledge from grand, middle-range, and practice adaptation nursing theories aimed at the goal of humanization; changing health care systems using adaptation nursing.



Take a Class with Sr. Roy

Recent CV


Contact Information

Sr. Callista Roy, RN, PhD, FAAN

Office: Humanities 419

Address: 12001 Chalon Road, Los Angeles, CA 90049

Assistant to the Nurse Theorist