Jay Robert (JB) Pritzker
Jay Robert (JB) Pritzker is an heir to the Hyatt Hotel fortune, he is one of the five children of billionaire Robert Pritzker, a co-founder of the Marmon (2003 sales: $5.5 billion) and hotel chain Hyatt (207 hotels worldwide). Jay runs a venture capital fund that invests in technology and manufacturing with his brother Tony.
He is married and has 2 children.
$1.5 billion as of 2005.