Marcus Billam is a partner at Darrois Villey Maillot Brochier. He joined the firm early 2015 after having been a partner at Allen & Overy (2010–2015). Previously, he was a partner at Clifford Chance from 2000 to 2010 and before then, a partner at Darrois Villey Maillot Brochier from 1998 to 2000. His practice focuses principally on mergers and acquisitions and stock exchange law. He mainly advises listed and unlisted companies on their strategic and cross-border projects. He has acted for industrial clients or investment funds in numerous major French transactions. He also advises a number of listed companies on their corporate governance.