We welcome Gabriel D. Costantini and Robert Kim as our newest Associates.
Gabriel D. Costantini, B. Sc. (Hons.), J.D.
Gabriel is an Associate at Sullivan Mahoney, where he practices in the firm’s Family Law and Civil Litigation groups. He works closely with clients navigating a wide range of family law and civil litigation matters, guiding them through each stage of the process with clear communication and practical advice.
Gabriel holds a Juris Doctor from Western University and a Bachelor of Science (Honours) in Medical Sciences from Brock University. He joined Sullivan Mahoney LLP as a summer and articling student before being called to the bar, and is pleased to continue his legal career with the firm, serving clients throughout the Niagara Region.
Beyond his professional pursuits, Gabriel enjoys making fresh pasta, staying active, cheering on the Buffalo Bills, and spending time with his wife and family.
Robert Kim, B.Sc. (Hons.), J.D.
Robert is an Associate at Sullivan Mahoney where he practices in the litigation group. Robert’s practice focuses on commercial, construction and tax disputes.
Robert earned a Bachelor of Science (Honours), graduating summa cum laude from McMaster University, and earned his Juris Doctor from the University of Ottawa. In law school, Robert completed several litigation‑focused courses, participated in internal moots, and worked at the community legal clinic. Robert’s strong academic foundation and previous practical experience inform his analytical approach to resolving disputes and delivering pragmatic, commercially minded solutions for clients.
On leisure time, Robert is an avid runner who also enjoys playing racquet sports and chess.
