Youn Sun Catherine Smith holds a Florida Registered Nurse license as well as a Florida Advanced Registered Nurse Practitioner license. She is a member of the American Academy of Nurse Practitioners.
Youn Sun Catherine earned her baccalaureate degree in nursing followed by her master's degree as a Family Nurse Practitioner at the University of North Carolina at Chapel Hill in 2001. During her Master's study, she completed her research paper on "HIV in African American Women". Upon completing her degree, she focused on women's healthcare, obstetrics, and gynecology as her primary area of expertise.