OB Group is a real estate development firm founded by entrepreneur Oleg Baybakov. Previously, Baybakov served as Chief Administrative Officer of Norilsk Nickel, the world’s largest nickel producer, where he oversaw major real estate projects. Baybakov later served as President of Moscow International Business Center, a flagship real estate venture known as Moscow City that is comprised of 148-acre financial district with more than a dozen class-A office towers. In 2008, prior to the global financial crisis, Baybakov engineered the sale of Moscow City for close to $1 billion USD. Baybakov is regularly recognized as one of the world's top art collectors and is an active philanthropist in the arts.