Sebastien has always been passionate by ocean which drove him to Madagascar from 2004 to 2009, starting his career as a marine biologist. And later on, leading efforts to establish successful seaweed farming activity for the phycocolloids industry in the region. 

Sébastien joined Cargill and its carrageenan business, where he spent 12 years as seaweed strategic sourcing project & sustainability manager. He has been travelling around the world, spending significant time in the field in producing countries, leveraging his technical expertise with seaweed producers, implementing innovative projects and acquiring significant market knowledge and its players. Early 2021, Sébastien is leaving Cargill to join Ocean Farmers, a well-established seaweed production company, bringing his ideas, passion and expertise to support their growth and ambitions to develop sustainable seaweed production & innovative aquaculture in Madagascar.