Jay Robert Pritzker (born January 19, 1965) is an American businessman, philanthropist, attorney and politician serving as the 43rd governor of Illinois since 2019. A member of the wealthy Pritzker family, which owns the worldwide hotel chain Hyatt, Pritzker is based in Chicago.

J.B. Pritzker, the current Governor of Illinois, is a member of the wealthy Pritzker family that founded and still owns a significant stake in the Hyatt Hotels Corporation. While J.B. Pritzker does not "own" Hyatt in its entirety as an individual, he is a scion of the family that built the global hotel empire. Before entering politics, he was a successful venture capitalist and entrepreneur who managed several family-led investment firms, including the Pritzker Group. To avoid conflicts of interest while serving as Governor, J.B. Pritzker placed his personal assets into a "blind trust" upon taking office in 2019. However, the Pritzker family legacy remains inextricably linked to Hyatt, which was founded by his uncle Jay Pritzker in 1957. As of 2026, Hyatt remains a publicly traded company (NYSE: H), but the Pritzker family continues to be its largest and most influential shareholder group, maintaining the luxury brand's presence across more than 70 countries.