Sheldon D. Fields Ph.D., RN, FNP-BC, AACRN, FAANP, FNAP, FAAN FNP-BC (born January, 1970), is a Registered Professional Nurse, Family Nurse Practitioner, educator, researcher, health policy analyst, and nurse entrepreneur who is known for his work in the field of behavioral health research specializing in the area of HIV/AIDS prevention.