Dr. Barbara Todd has practiced as a nurse practitioner in the Philadelphia region for the past 32 years. She is an experienced clinician and administrator for advanced practice providers. She has been instrumental in developing NP models of care in several large academic medical centers. Her clinical interest has been in cardiovascular health, with a focus on valvular heart disease and role transition for nurse practitioners. She has published extensively and presented nationally on advanced practice clinical and administrative topics. She is certified in both family practice and acute care. She has served on the planning committee for the American Association of Nurse Practitioner international conference. She is a fellow in the American Association of Nurse Practitioners and American Academy of Nursing. At the American Academy of Nursing, she served on the Primary Care Expert Panel. Through her work during the Graduate Nurse Education Demonstration Project, she has developed a keen interest in studies to evaluate clinical preceptorship models.