Board of Directors

John (Jack) J. Stack

Director of Ally since July 2014. Mr. Stack served as Chairman and Chief Executive Officer of Ceska Sporitelna, A.S., the largest bank in the Czech Republic, from 2000 to 2007. Prior to that, he spent 22 years in retail banking in various roles at Chemical Bank and then later at Chase Bank. Mr. Stack began his career in government working in staff roles in the New York City Mayor’s Office and then the New York City Courts System. He earned a bachelor’s degree from Iona College and a master’s degree from Harvard Graduate School of Business Administration. Mr. Stack also serves on the boards of Ceska Sporitelna, A.S. (Chairman of the Board; Prague, Czech Republic), Erste Group Bank (Vienna, Austria) and Mutual of America Capital Management (New York).

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Board of Directors

President and Chief Executive Officer
Ribbon Communications Inc.

Co-Founder and Partner
RailField Realty Partners

Former Chief Financial Officer
Towers Perrin

Chief Executive Officer
Ally Financial

Former President & Chief Operating Officer
GE Capital

Founding Partner
Eachwin Capital

Former Chairman, President & CEO
Cowen Group, Inc.

Brysam Global Partners

Co-founder and Chairman, Twyla, Inc.

Former Chairman & Chief Executive Officer
Ceska Sporitelna, A.S.

Chief Executive Officer
XO Group Inc.

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