Online Psychiatric-Mental Health Nurse Practitioner program faculty

Excellence in advanced practice nursing roles begins with learning from the experts. At Yale School of Nursing, online Psychiatric-Mental Health Nurse Practitioner students learn firsthand from faculty members who are practicing clinicians. 

“Having clinicians as educators is understanding what the 21st century needs.” 

Carmen Portillo, PhD, RN, FAAN Executive Deputy Dean and Professor of Nursing, Yale School of Nursing

Carmen Portillo headshot

Interim co-director

Susan J. Boorin


Dr. Boorin has worked in both outpatient and inpatient mental health services in New York and Connecticut over the past several decades; with clinical experiences ranging from work in acute psychiatric ICU units to community outpatient settings.

Faculty spotlight

Elizabeth Cohen

Pharm D

Cohen’s clinical expertise and research interests include immunosuppression optimization in solid organ transplants, and using data analysis to improve quality assurance and processes in health care.

Mary-Ann Cyr


Cyr’s clinical expertise includes over thirty years of experience in the management of critically ill patients, particularly those requiring advanced hemodynamic monitoring and mechanical circulatory support.

Daihnia Dunkley


Dr. Dunkley has expansive clinical experience in maternal-child nursing in addition to her background in hospital leadership and academia. Her scholarly inquiry encompasses matters of diversity, equity, and inclusion within the nursing profession, and racial health disparities, particularly related to maternal mortality and morbidity outcomes. Dr. Dunkley’s dissertation research focused on the experiences of Black female executive nurse leaders and inspired the founding of The League of Extraordinary Black Nurses; a nonprofit organization aimed at supporting current and future Black nurses through the guiding principles of leadership, mentorship, and scholarship.

Katy Maggio


Maggio has practiced as a psychiatric nurse practitioner since 2016. She has worked with clients across the lifespan in various settings including a community mental health clinic, a day treatment program in a New York City high school, a college student health center, as well as her own private practice. Maggio’s research interests include the clinical evaluation of ADHD and Autism Spectrum Disorder in adults, complementary treatments for mental health disorders, and the role of the therapeutic alliance in psychiatric treatment.

Jennifer McIntosh


Prior to joining Yale School of Nursing, Dr. McIntosh taught at several universities and held progressive leadership positions in the emergency department and behavioral health settings. Her experiences in the emergency department and inpatient behavioral health settings have sparked a passion for scholarly inquiry on the nursing care of individuals with mental illness. Dr. McIntosh’s doctoral dissertation focused on the relationships of emergency nurses’ perceptions of stigma, attribution, individualized care and caring toward persons with mental illness.

Lindsay Powell


With over thirty years of experience in the field of psychiatric nursing working with marginalized populations, Dr. Powell’s clinical interests include global health, the social determinates of disease, concepts of shared decision-making, the neurologic basis of psychiatric and addictive disorders, public health care and policy, and HIV/AIDS. Powell has directed the clinical services for numerous Substance Abuse and Mental Health Administration (SAMHSA) and Health Resources and Services Administration (HRSA) grants that target the homeless population, those recently released from incarceration who struggle with substance use, mental health and HIV difficulties.