Simon-Pierre Savard-Tremblay grew up in Quebec City before settling in Montreal to follow his college studies in economic and social sciences at Collège Stanislas.
In 2018 he obtained a doctorate in socio-economics of development from the School for Advanced Studies in the Social Sciences in Paris, under the supervision of Jacques Sapir and Florence Weber.
Savard-Tremblay's involvement in politics led him to chair the Forum jeunesse du Bloc Québécois from 2010 to 2012, notably during the 2011 federal election.
He was active as a columnist in the media for several years, contributing to a blog at the Journal de Montréal.
Since 2021 he has served as the critic of international trade, aerospace and cars in the Bloc Québécois Shadow Cabinet.