About Marianne Ditomassi, RN, DNP, MBA, NEA-BC, FAAN

Executive Director, Nursing & Patient Care Operations & Magnet Recognition
Mass General Trustees Endowed Chair in Nursing and Patient Care Professional Practice

Marianne Ditomassi, RN, DNP, MBA, NEA-BC, FAAN, is Executive Director of Nursing & Patient Care Services Operations and Magnet Recognition at Massachusetts General Hospital. She functions as the Chief of Staff, supporting the work of the Senior Vice President for Patient Care and Chief Nurse, who oversees the operations of nursing, the therapy departments, social work and chaplaincy.

Dr. Ditomassi’s key areas of accountability include strategic planning, professional practice development and evaluation, recruitment and retention initiatives, business planning, fundraising and communications. She has played a leadership role in the development, implementation and evaluation of Innovation Units, a new care delivery model.

In addition, she is the Magnet Program Director for Mass General and successfully coordinated Mass General’s initial Magnet designation journey in 2003 and subsequent Magnet re-designations in 2008 and 2013.

She has recently co-authored three books published by Sigma Theta Tau titled, Fostering Nurse-Led Care at the Bedside, Fostering Clinical Success Using Clinical Narratives for Interprofessional Team Partnerships and Fostering a Research-Intensive Organization.

Dr. Ditomassi’s program of research, in conjunction with colleagues Dr. Jeanette Ives Erickson, Dr. Mary Duffy and Dr. Dorothy Jones, has spanned nearly 20 years and has focused on evaluating the effectiveness of the professional practice model and environment at Mass General and other healthcare organizations around the world using the Professional Practice Environment Workforce Inventory scale.

Dr. Ditomassi received her BSN from Georgetown University, her MSN from Loyola University in Chicago, her MBA from the University of Illinois at Chicago and Doctorate in Nursing Practice from the Mass General Institute of Health Professions.




  • Registered Nurse
  • Doctorate of Nursing Practice
  • Master of Business Administration


  • Nurse Executive Advanced-Board Certified (NEA-BC)
  • Fellows of the American Academy of Nursing (FAAN)