Penny Sue Pritzker (born May 2, 1959) is an American billionaire businesswoman and civic leader who served as the 38th United States secretary of commerce in the Obama administration from 2013 to 2017. She was confirmed by a Senate vote of 97–1. Pritzker spent her early career in business. She worked her way up through the Pritzker family business, eventually being appointed as one of three successors to her uncle, Jay Pritzker. She is the founder of PSP Partners, PSP Capital Partners, and Pritzker Realty Group, and co-founder of Artemis Real Estate Partners and Inspired Capital. She is on the board of Microsoft, and chair of the Carnegie Endowment for International Peace. As of October 2021, Forbes estimated her net worth at US$3.2 billion. In 2009, Forbes named Pritzker one of the 100 most powerful women in the world. Before entering government service, Pritzker had been involved in many Chicago organizations, including the Chicago Board of Education, Museum of Contemporary Art, Chicago, and her own foundation, the Pritzker Traubert Family Foundation. Pritzker was an early supporter of Obama's presidential candidacy, having been a friend of the Obama family since their time in Chicago. She is the sister of J. B. Pritzker, the current governor of Illinois.