Se-Line specializes in civil and commercial litigation, as well as bankruptcy, insolvency, and restructuring. Over the course of her career, she has represented clients from a wide range of industries, including aerospace, financial services, renewable energy, life sciences, telecommunications, and sports and entertainment. She has appeared before both trial and appellate courts.

Se-Line holds a Juris Doctor (J.D.) from York University (Osgoode Hall Law School) and a Bachelor of Laws (LL.B.) from the University of Montréal. Her academic performance has been recognized through multiple distinctions and excellence awards. She is a member of the Québec Bar and the Ontario Bar.