Jay Robert "J. B." Pritzker is an American billionaire heir, businessman, philanthropist, and politician serving as the 43rd governor of Illinois since 2019. His family, which owns the worldwide hotel chain Hyatt, is considered among the United States’s richest families. Pritzker is based in Chicago and has started several venture capital and investment startups like the Pritzker Group, where he is a managing partner. He has an estimated personal net worth of $3.6 billion.