[ by Melanie Gretchen ] A Credit Suisse merger adviser announced he was ending his 27-year banking career to work in the public sector - in the "windy city," Chicago no less.  This is not the way it usually happens - although we could track such "luminaries" as Jon Corzine who made it to the Senate and the New Jersey Governor's Mansion. Steven Koch, current M&A co-chairman has always been active in the public sector.  Starting on 9/4/21, he will make that his role in politics official as deputy mayor of Chicago in the Rahm Emanuel administration. At Credit Suisse, Mr. Koch, advised clients on about $1 trillion worth of deals.  After training as a lawyer, he began his career at Lehman Brothers Kuhn Loeb before joining First Boston in 1985.  As a senior mergers executive at the Swiss bank, he advised on deals from Fortune Brands' spin-off of Beam Brands and the Aon Corporation's takeover of Hewitt to Nestlé's takeovers of Ralston Purina and Gerber.

"I love what I do.  I wake up most mornings wondering why people pay me to do what I do."

During this time, he participated in nonprofit organizations like the Sinai Health System of Chicago, a hospital system, for which he raised several thousand dollars by riding cross-country with his son, Jacob.  In 2008, he campaigned for Barack Obama's presidential run, where he met Mr. Emanuel who asked him to co-head his transition committee upon Mr. Emanuel's election as mayor. Trading Roles. In his new role, Mr. Koch succeeds Mark Angelson, who is moving on to  become chairman of the Institute of International Education's scholar rescue fund.  As deputy mayor, Koch will manage Chicago's internal budget and development projects, including bolstering the city's economic attractions for new businesses For further details, go to [Dealbook, 8/1/12].