Center back who made his first professional appearance for Saint-Etienne in 2011, playing with the club until he signed with Chelsea in 2014. He began playing for France in 2015.
He played youth soccer at Vaulx-en-Velin.
He played for France's under-16 team in 2010.
His older brother Lionel Zouma played for France's under-19 team in 2012. He has two children with his wife, Sandra.
He became the teammate of forward and winger Victor Moses on Chelsea in 2014.