Guy Sidos was born on September 13, 1963. In 1984, he graduated as an engineer from the French Naval Academy and became a naval officer. He left active service in 1999, after commanding the fast attack submarine "Perle".
He then joined the Vicat Group as a cement plant engineer. In 2001, he took over the management of the Ragland, Alabama, cement plant in the United States. In 2002, he was appointed CEO of National Cement, the Vicat Group's North American subsidiary. In 2004, he moved to France to become Group COO, then CEO in 2008. Guy Sidos was appointed Chairman and CEO of the Vicat Group on May 6, 2014.
Guy Sidos is committed to defending the French industry and its local qualified jobs. He develops research actions that lead to innovations in mineral and biobased construction materials. He commits the Vicat Group to ecological transition by reducing its carbon footprint and developing circular economy.