Principals: Olivier Fleurot, CEO (l); Jim Tsokanos, president of the Americas
Ownership: Publicis Groupe
Subsidiary agencies: Group includes Kekst and Company and Publicis Consultants USA
Offices: 81 wholly owned offices globally; 18 in North America
Revenue: Global: $400 million-plus; US: $100 million to $200 million
Headcount: Global: 2,491; US: 568

In 2010, MSLGroup continued to build upon changes started in 2009, when CEO Olivier Fleurot replaced Mark Hass and Publicis Groupe announced a consolidation of MS&L and Publicis Consultants. In October ...