Management Team

Previously, Duffy served as Executive Chairman and President since 2012 and as Executive Chairman since 2007. He served as Chairman of the Board of CME and CME Holdings since April 2002 and as Executive Chairman since October 2006. He was Vice Chairman of the Board of CME Holdings since 2001 and of the Board of CME from 1998 to 2002. He was President of TDA Trading from 1981 to 2002. He has been a CME member since 1981 and a Board member since 1995.

Duffy was appointed by President Bush and confirmed by the U.S. Senate in 2003 to join the Federal Retirement Thrift Investment Board (FRTIB), a position he held until 2013.

During his tenure, Duffy took the company public and led the first merger in the futures industry, combining the Chicago Board of Trade and the Chicago Mercantile Exchange in 2007. The following year, he oversaw the acquisition of NYMEX. In 2018, he led the acquisition of NEX, streamlining trading across futures, options, cash and OTC markets. Duffy’s landmark 2021 partnership with Google Cloud will bring expanded access, new products and greater efficiencies to derivatives markets through cloud technology.

Under Duffy’s leadership, CME Group has received a wide range of industry awards recognizing the exchange, clearing house and product innovation. He was named FOW’s International CEO of the Year, one of TabbFORUM’s 40 Innovators in Financial Markets, and included in Crain’s Who’s Who in Chicago Business. He serves as Co-Chair of the Mayo Clinic Greater Chicago Leadership Council and is Vice Chairman of CME Group Foundation.

He attended the University of Wisconsin-Whitewater and received a Doctor of Public Service, honoris causa, from Saint Xavier University and a Doctor of Humane Letters from DePaul University.

He previously served as President, CME Clearing and as Managing Director, Clearing Operations & Systems. In these roles, he was responsible for collaborating with the company's clearing members and customers to develop clearing solutions for listed and OTC derivatives, including credit, interest rates and foreign exchange. Prior to joining CME Clearing, Cutinho served as a Director of Enterprise Architecture in the Technology Division. Prior to joining the company in 2002, Cutinho gained more than 14 years of technology experience including various positions at CNA Insurance, Proxicom, VISA International and GDS.

Since joining the company in 2006, she has held positions of increasing responsibility, including serving as Senior Managing Director and Deputy Chief Financial Officer and as Managing Director of Corporate Development and Treasurer.

Prior to joining CME Group, Fitzpatrick worked as an investment banker at Credit Suisse and UBS.

She earned a bachelor’s degree in economics from Brown University and an MBA with honors from the University of Chicago, Booth School of Business.

As the company’s chief legal advisor, Marcus oversees the company's compliance, enterprise risk management, legal and market regulation functions. Prior to joining CME Group, Marcus most recently worked in private practice as a partner at Reed Smith LLP, where he specialized in derivatives regulation, litigation and enforcement. He previously served as General Counsel of the U.S. Commodity Futures Trading Commission (CFTC) from 2013 to 2017, advising the commission on a wide range of issues, including implementation of the Dodd-Frank Act and digital asset regulation. Marcus also served as the CFTC's Deputy General Counsel for Litigation and as an Assistant to the Solicitor General of the United States. He held senior roles in Skadden, Arps, Slate, Meagher & Flom's Derivatives Group and Covington & Burling's Appellate and Supreme Court Group. Marcus began his career as a clerk for Judge José A. Cabranes of the U.S. Court of Appeals for the Second Circuit. He holds a bachelor's degree from Yale and a J.D. from Yale Law School.

He is responsible for leading the development and execution of the company’s global equity index, foreign exchange, cryptocurrency and alternative investment product strategies. Previously, he served as Senior Managing Director, Global Head of Financial and OTC Products since June 2023 and as Senior Managing Director, Global Head of Equity and Foreign Exchange Products since February 2022.  He serves on the CME Ventures Investment Committee and the S&P Dow Jones Indices U.S. Advisory Panel.  Before joining CME Group in 2013 as Global Head of Equity Products, McCourt worked for the Royal Bank of Scotland, where he was responsible for building and managing the Americas Index and Delta One trading book. Prior to RBS, he held a senior trading role with JPMorgan in New York, spending 10 years with the Equity Derivatives Group. McCourt holds a bachelor’s degree in political science from Boston College and an MBA from The University of Pennsylvania’s Wharton School.

Previously she served as Managing Director and Senior Associate General Counsel, as Director and Associate General Counsel and as Associate Director and Assistant General Counsel since 2000.

He is responsible for leading the development, execution and management of CME Group's global Commodities portfolio, including the Energy, Environmental, Metals and Agricultural products business lines. 

Prior to his current role, Sammann spearheaded the growth strategy for the company’s cross-asset options business from 2013 to 2024 and also led the company’s international business from 2021 to 2024. Since joining CME Group in September 2006, Sammann also has served as Senior Managing Director, Global Head of Interest Rates and FX Products, and as Managing Director, Global Head of Foreign Exchange products.

Prior to joining CME Group, Sammann acquired more than 16 years of sell-side trading experience in the global FX market, including serving as Managing Director, Global Head of FX Options and Structured Products at Crédit Agricole Corporate & Investment Bank in London. He also held senior level positions with Crédit Agricole Indosuez in London, Banque Indosuez in Paris and Cooper, Neff & Associates in Chicago.

In addition to serving on CME Group's Management Team, Sammann serves as a member of the Board of Directors of the following entities: the Gulf Mercantile Exchange, the COMEX Board of Governors and the Commodities Markets Council, where he also serves as Treasurer. Sammann also serves on the Shanghai Gold Exchange’s International Advisory Board, the Commodity Futures Trading Commission's Agricultural Advisory Committee as well as the Energy & Environmental Markets Advisory Committee, and the Security Traders Association’s Listed Options Committee. 

He holds bachelor's degrees in both economics and political science from Northwestern University.

Since joining the company in 2002, she has served in a range of leadership positions in financial and risk management, including Managing Director, Credit & Liquidity Risk, Risk Policy & Banking. She earned a bachelor’s degree with concentrations in finance and international business from Indiana University and a master’s degree in financial markets from the Illinois Institute of Technology.

He is responsible for overseeing the company’s migration process as part of its 10-year partnership with Google Cloud to transform global derivatives markets through cloud adoption. He also leads the planning and execution function across the organization. Prior to assuming his current role, he most recently served as Senior Managing Director, International and Optimization Services.

Since joining the company in 2001, Vroman has held a variety of senior leadership roles including Managing Director, Planning and Execution, Global Head, Commodity Products and OTC Solutions, and Managing Director and Chief Corporate Development Officer.

Before joining the company, he worked as Vice President, Corporate Operations/Chief of Staff to the Chief Executive Officer for marchFIRST Inc. He also served as Principal for Whittman-Hart’s Collaborative Technologies Group and as a Senior Consultant for Andersen Consulting LLP’s Americas Information Systems Division.

She leads the company's sales, product marketing, research and product development, data analytics, and innovation lab functions, as well as the data services business line. Previously, she served as Senior Managing Director, Research, Product Development and Index Services of CME Group since 2014 and as Managing Director, Research and Product Development since 2007. Winkler joined the Chicago Board of Trade (CBOT) as a Staff Investigator in the Office of Investigations and Audits, and in 1998, she joined the Business Development area as an Economist in the Research and Strategic Analysis group. She was promoted to Managing Director, Business Development in 2004. She also served as Vice President, Business Development, where she had management responsibility for the growth and development of the Financial Product Research and Development, Market Data Products and Services, Training and Education, Corporate Strategy and Business Development Administration areas. Winkler holds a bachelor’s degree in business administration in finance from Valparaiso University and an MBA in finance and derivatives markets with highest honors from Loyola University. She currently serves on the Board of Directors for S&P Dow Jones Indices LLC, Valparaiso University and Women in Derivatives. She is also a Revenue 50 member within the World 50 network.