Sean Ellapen studied law at the University of Panthéon-Assas and at the University of Centrale Lancashire. He also studied political science at the University of Versailles Saint-Quentin-en-Yvelines.

Throughout his studies, he was at Sir Gaetan Duval QC Chambers, where he acquired a significant knowledge of the profession from his mentors by assisting in the country's major cases.

His perseverance and enthusiasm led him to embark on entrepreneurship by launching various companies in key economic areas of Mauritius. These growing companies now appertain to St Andrews Investment Holdings, which holds assets in Mauritius, Reunion Island and South Africa.

Sean’s dedication also extends to social contribution is considerable. He is the president and founder of a non-profit organisation called Nos Enfants de Demain, which focuses on Mauritian youth and the environment.