It's his sister, former state treasurer (and 1994 Democratic gubernatorial nominee) Kathleen Brown. She's moving to Chicago, according to the Sacramento Bee, for a new position within Goldman Sachs.
Brown is highly respected, both for her public service and her work at Goldman. She headed up Goldman's working on public sector and infrastructure banking in the West, which may have been a contributing factor in this move, since there was potential for conflict of interest with her brother taking office.
