Ms. Brennan holds degrees in both nursing and law. She received her Bachelor's Degree in Nursing from the State University of New York at Binghamton in 1995, and her Juris Doctor degree from Brooklyn Law School in 2002. After completing her undergraduate studies, Ms. Brennan gained experience as a nurse at Mount Sinai Medical Center and New York Presbyterian Hospital, specializing in medical-surgical and intensive-care nursing. Ms. Brennan also has experience in long-term care nursing, having worked as both a nurse and nursing supervisor in a local long-term care facility. Since graduating from law school Ms. Brennan has worked representing both plaintiffs and defendants in medical malpractice cases. She is admitted to practice law in the state of New York and is a member of the New York State Bar Association. She continues to keep her nursing license active.