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Executive Team



Kirsten Wegner

Chief Executive Officer

Kirsten Wegner is the Chief Executive Officer of Modern Markets Initiative, the education and advocacy organization devoted to the role of technological innovation in creating the world’s best markets.  She is known for her thought leadership in advancing secure savings and investment through innovation.  Previously, she served as Senior Vice President of Business Development.

Kirsten is frequently quoted on a number of market structure issues including exchange data fees, the negative implications of a potential financial transaction tax as well as the trading of cryptocurrencies in publications including The Wall Street Journal, Business Insider, and Politico and regularly pens Op-Eds on these and other topics.

Prior to joining MMI, she served as director, government relations for the International Securities Exchange where she created bipartisan outreach and advocacy strategy on financial services and tax matters impacting exchanges and retail investors.

Previously, she was a Senior Associate at Squire Patton Boggs LLP, providing strategic counsel to technology startups, stock exchanges, Industry trade organizations, and brokerages on financial services, tax, and technology matters.

Kirsten holds a J.D. degree from Georgetown University Law Center and a B.A. degree from Columbia University.


William R. Harts
Senior Advisor

Bill Harts is the former CEO of the Modern Markets Initiative, the education and advocacy organization devoted to the role of technological innovation in creating the world’s best markets.  He is known in the financial services industry as a pioneer of algorithmic trading as well as an authority on financial market structure and applied technology for trading.

As Managing Director and Head of Equity Strategy for Bank of America Securities, he was responsible for development of the firm’s electronic and algorithmic trading businesses, including its industry-leading Electronic Algorithmic Strategy Execution, InstaQuote direct market access product, and the Quantitative Strategies research group. He was Chairman of the Bank’s NYSE Specialist business, guiding it through an especially tumultuous reinvention process.

Prior to joining the bank, Mr. Harts held the position of Executive Vice President for Corporate Strategy for The NASDAQ Stock Market, Inc.

Mr. Harts created the industry’s first fully automated market making operation for Salomon Smith Barney/Citigroup, and was head of the Global Program Trading Department with responsibility for desks in New York, London and Tokyo. Prior to that, he was a consultant to Goldman, Sachs & Co. for three years with Fischer Black in their Quantitative Strategies Group developing equity derivative trading systems.

Mr. Harts was a member of the SEC’s Special Advisory Committee on Market Information and a member of the Nasdaq UTP Advisory Committee. He has spoken at the SIFMA Annual Conference, the FPL Americas Electronic Trading Conference, the Securities Industry Association Market Structure Conference, and the Baruch College Zicklin School of Business’ Regulation of U.S. Equity Markets Conference. He is an occasional guest lecturer at Columbia Business School.

Mr. Harts served as a Director and Vice Chairman of the Board of the Philadelphia Stock Exchange from 1994 through 1999.

Mr. Harts holds a B.S. in Business Management and Economics from the State University of New York.

“Main Street is the great beneficiary … We are better off with high-frequency trading than we are without it."

JACK BOGLE, founder Vanguard Group

Moneywatch, April 3, 2014

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