William C. Thompson, Jr.

William C. Thompson, Jr.

Industry Advisors' Committee Chair

William is Chair of American Triple I Partners’ Industry Advisors’ Committee and is Chief Administrative Officer and an equity owner of Siebert Williams Shank & Co.  Prior to joining SWS, William was the 42nd Comptroller of New York City, serving eight years from January 2002 to December 2009.  William’s extensive experience in successfully managing the finances of one of the nation’s largest cities has afforded him unique insight into the infrastructure needs of local and state governments.  As Comptroller, he also served as custodian and investment advisor to the five New York City Pension Funds, where he managed a combined portfolio amounting to more than $100 billion at the close of his tenure.  In this role, William invested hundreds of millions of dollars in affordable housing and commercial real estate in New York City.  During his tenure, he also worked with leaders of the financial services industry to reform the operations of the New York Stock Exchange and spearheaded the City’s innovative Banking Development District program.  William also served as a Senior Vice President in Public Finance in the mid-1990s.

William is a graduate of Tufts University.  Prior to his work as Comptroller, he had served as Brooklyn Deputy Borough President and as a Member and five-term President of the New York City Board of Education.