A graduate of the University of Laval, Régine practised family medicine in Rouyn-Noranda for almost three decades. During her career, she served as general manager of the Fleur de Lys clinic and director of professional services at the Aurores-Boréales health and social services centre (CSSS) in La Sarre. She also held the position of president of the Conseil des médecins, dentistes et pharmaciens and sat on the board of the Rouyn-Noranda health and social services centre.
In 2013, Régine became the assistant director of professional services at the Centre hospitalier universitaire de Québec (CHU Québec), taking on the role of chief of general medicine in 2015. She continues to practise obstetrics and family medicine, and she teaches perinatal medicine and management at the CHU Québec.
In addition to her vast professional experience, Régine is known for her rallying leadership, high standards and strategic communication skills.