Burger behemoth McDonald's has announced the promotion of Bill Lamar to senior VP in charge of the US Marketing, a role in which he will oversee all aspects of national marketing for the chain's 13,000 US restaurants. Mike Roberts, president of McDonald's USA, commented: "Lamar has proven marketing, business and field expertise. He has demonstrated the type of leadership skills that are necessary to create new and exciting ways to engage and please our customers."