<P> Summers graduated from Whitney Young Magnet High School in Chicago . He received a Bachelor of Science in Business Administration with Management Distinction High Honors in Finance and International Business, with a minor in East Asian Studies, from Washington University in St. Louis . He also holds a Master of Business Administration from Harvard Business School . </P> <P> Summers began his career at the consulting firm McKinsey & Company . He was later appointed Chief of Staff to Cook County Board President Toni Preckwinkle and as the appointed trustee for the county's $9 billion pension fund . In that capacity, Summers led changes to provide performance management in every department, which Preckwinkle claimed in 2014 had saved the city $400 million annually . In his role as Chief of Staff for President Preckwinkle, Summers also steered the closure of a $487 million budget deficit while keeping the administration's promise to roll back the county sales tax, saving taxpayers more than $400 million a year . Additionally, Summers aided in reforming the county's procurement rules and helped pave the way for a more sustainable health and hospital system . </P> <P> In 2008, Summers was appointed as chief of staff for "Chicago 2016", the city's bid for the 2016 Summer Olympics . </P> <P> He was a senior vice president at Grosvenor Capital Management, and a member of the Office of the Chairman . In that role, he led the Emerging and Diverse Manager business, which invested over $2 billion with minority - and women - owned firms . </P>

To the treasurer of the city of chicago