Closing Grand Keynote

Adena Friedman became President and Chief Executive Officer of Nasdaq on January 1, 2017, and is a member of the Board of Directors. She brings more than 20 years of industry leadership and expertise, and is credited with significantly shaping Nasdaq’s transformation into a leading global exchange and technology solutions company with operations across six continents.

Prior to being named CEO, Adena served as President and Chief Operating Officer throughout 2016 and was responsible for overseeing all of the company’s business segments with a focus on driving efficiency, product development, growth and expansion.

She rejoined Nasdaq in 2014, after serving as Chief Financial Officer and Managing Director of The Carlyle Group from March 2011 to June 2014 and playing a critical role in taking the company public in May 2012.

Before Carlyle, Adena was a key member of Nasdaq's management team for over a decade, serving in a variety of roles, including head of the company's data products business, head of corporate strategy and Chief Financial Officer. She played an instrumental role in Nasdaq’s acquisition strategy, overseeing the acquisitions of INET, OMX, and the Philadelphia and Boston Exchanges. She originally joined Nasdaq in 1993 as an intern.

Since December 2018, Adena has served as a Class B director to the Federal Reserve Bank of New York. She was elected to the Board of Directors of FCLTGlobal, a non-profit organization that researches tools to encourage long-term investing, in January 2020. Adena began her term as a member of the Vanderbilt University Board of Trust on July 1, 2020.

She earned a Bachelor of Arts degree in political science from Williams College in Massachusetts and a Master of Business Administration from Vanderbilt University’s Owen Graduate School of Management.

Daniel H. (Don) Callahan is the executive chairman of TIME, where he is leading a comprehensive digital transformation of this iconic media brand. He also serves as executive partner at Bridge Growth Partners. He is acknowledged internationally as a leader in both the financial services and technology industries, Mr. Callahan was the chief administrative officer and global head of operations and technology at Citigroup. He retired from Citigroup in December 2018 and now serves on the boards of Tata Consultancy Services, Ltd., WEX Inc., Kore.ai, and Accedian. 

At Citigroup, Mr. Callahan managed a complex set of businesses and services spanning more than 100 countries, a multi-billion dollar operating budget and critical systems infrastructure including the bank’s cyber security initiatives. He most recently led a top- to-bottom transformation of operations and technology, helping move the global bank from a collection of independent and dispersed entities into a lean, fully integrated enterprise. Mr. Callahan also established globally consistent technology standards and governance, and migrated critical functions to an integrated, managed, shared services model. As a result, in 2017, Citi was named by the Gartner Group as the most efficient of all major global banks in generating income per dollar of IT spending. 

Prior to joining Citigroup, Mr. Callahan served in senior executive positions at Morgan Stanley and Credit Suisse. Earlier in his career, he spent 12 years at IBM, where he held a number of management positions, including director of strategy for IBM Japan. 

Don is on the business committee of the Metropolitan Museum of Art and a fellow at the Foreign Policy Association. He is on the boards of Columbia University Teachers College, the American Red Cross of Greater New York, NYU Stern – Andre Koo Tech MBA Advisory Board and The Contentment Foundation. He holds a bachelor’s degree in history from Manhattanville College, where he serves as trustee chair emeritus.