John Brennan

John Brennan

Partner, Head of Investment Counseling
+1 312 364 8274
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John Brennan joined William Blair in 2008 as head of investment counseling, which focuses on ultra-affluent private investors, families, and entrepreneurs to provide innovative and sophisticated wealth management solutions. He previously was president of Bank of America's Illinois operation and central region president of its Private Bank, overseeing teams in as many as 15 states, 700 associates, and $52 billion in assets. Since 1986, his career in financial services has included significant leadership positions in corporate and commercial banking, strategic planning, corporate marketing, and wealth management. Mr. Brennan has been an active member of the community, including his current appointments as vice chairman and trustee of WTTW/Channel 11, executive committee member and trustee of DePaul University, executive committee member and lead director of Miami Corporation, Rush University Medical Center trustee, Chicago Public Library Foundation life trustee, and a member of the Economic Club of Chicago. Mr. Brennan earned a B.S. and an MBA from Vanderbilt University.