Sung-A joined De Martini & Yi, LLP as an associate in September 2015. Over 10 years she has been specialized in insurance defense litigation and served as an in-house counsel for private and commercial automobile insurance companies. She received her JD from Touro College, Jacob D. Fuchsberg Law Center, in 2002, where she served as an Editor-in-Chief for Journal of The Suffolk Academy of Law. She is fluent in Korean, and received BA in Political Science with minor in Education (Sociology) from Ewha Woman's University, Seoul, Korea. She was admitted to practice in New York in 2003.