Petal Lemessy, Dr. HS, MSHS, RT(R)

Director, RAD-AID Grenada

Dr. Petal Lemessy is a finely-honed licensed medical imaging scientist, professor, clinical coordinator, and radiation safety officer with 25 plus years of experience. She attended the University of Guyana, obtaining a Diploma in Medical Radiological Sciences. Later on, she attended Howard University in Washington, D.C., where she majored in Radiation Therapy, the University of Medicine & Dentistry (UMDNJ), and Thomas Edison State College (TESC) she majored in advanced medical imaging sciences, at Rutgers University, she completed her graduate studies in advanced medical imaging sciences. Dr. Lemessy completed her Doctor of Health Science studies at Nova Southeastern University and is an accepted scholar at the University of Maryland Francis King Carey School of Law Graduate Healthcare Law Program and Quinnipiac University Radiologist Physician Extender Program. She holds certification in Computed Tomography (CT), Magnetic Resonance Imaging (MRI), and mammography. She conducts volunteer lectures internationally on High-quality Medical Imaging – Radiation Safety. She has received many awards and recognition over her career, including the Joint Review Committee on Education in Radiologic Science (JRCERT) Certificate of Excellence for outstanding performance as a Clinical Educator of Radiologic Science, Honoree of the Arnold Fletcher Exceptional Achievement Vice President Award at TESC and notable recognition for her excellent patient and radiation safety practices. Dr. Lemessy is a Dale Carnegie double-award winner in leadership and exceptional Performance and has gained valuable experiences and immense knowledge that has made her an emphatic and efficient scientist and volunteer. She received membership in the Honor Society and serves as a consultant on the Board of Directors Review, Curriculum Advisory, Academic radiography student advisor, Achieving the dream, and the Interdisciplinary Simulation Board committees.

Diana Dowdy, DNP, CNM, RDMS, FACNM

Associate Program Manager, RAD-AID Grenada

Diana Dowdy is a Certified Nurse-Midwife who has practiced for over 40 years.  She received her Master of Nursing degree from Emory University in Atlanta, GA, and Doctorate of Nursing Practice from the University of Alabama in Huntsville.  She became certified as a registered diagnostic medical sonographer in the year 2000.  She has provided midwifery and women’s health services in a number of settings, including public health, private practice, academics, and global medical mission work.  Her most recent positions included faculty status at Vanderbilt University School of Nursing, teaching graduate midwives and Women’s Health Nurse Practitioners.  In addition, she provided patient care at Nashville’s birth center, Baby and Company, as well as establishing a point of care ultrasound program there.  She developed an accredited women’s point of care ultrasound curriculum, which she currently teaches to advanced practice providers in Nashville. As associate program manager of RAD-AID Grenada, she aims to advance nursing and midwifery education in Grenada.

Kristen Ostrem-Niemcewicz, RN, DNP, CNM, FNP-BC, FACNM

Associate Program Manager, RAD-AID Grenada

Kristen Ostrem-Niemcewicz is an assistant professor at the University of New Mexico (UNM) College of Nursing where she directs both MSN and PMC programs, teaches graduate and undergraduate students and is a member of the HRSA Advanced Nursing Education Nurse Practitioner Residency Grant team a UNM/Presbyterian Health System partnership. Kristen earned her BSN in 1989 from Dominican College, MSN from UNM in 1996, postmaster’s certificate as a Family Nurse Practitioner in 1997 and DNP from New Mexico State University in 2015. In 2019, she achieved recognition by the ARDMs for the midwife sonography certification, one of 29 U.S. nurse-midwives to date. Kristen promotes use of technology to prepare nurses for clinical decision-making and directs her scholarship towards this work. As associate program manager of RAD-AID Grenada, she aims to advance nursing and midwifery education in Grenada.

Anne-Sophie Delabie

Assistant Program Manager, RAD-AID Grenada

Anne-Sophie Delabie is a radiographer and a radiation safety officer. As assistant program manager of RAD-AID Grenada, she works to help with protocol development and radiation safety processes within the RAD-AID Grenada Program. For more information about RAD-AID Grenada, please email