Management Boards

Chief Executive Officer (CEO) of Eurex Frankfurt AG

Robbert Booij is CEO of Eurex Frankfurt AG since July 2024. Robbert Booij was appointed as member of the Executive Board of Eurex Frankfurt AG in May 2024. Booij has been a member of the Management Board of Eurex Deutschland since July 2024 and chairs the meetings of the Management Board of Eurex Deutschland.

Booij has many years of experience in international derivatives markets. From 2018 to 2024, he was CEO Europe of ABN AMRO Clearing Bank N.V., where he was responsible for the Market Access, Clearing and Financing activities in Europe, UK and Brazil. From 2012 until 2018, Robbert was based in the UK where he was responsible for all European activities of ABN AMRO Clearing Bank, covering major exchanges such as Eurex, Euronext, ICE Futures Europe and the London Metal Exchange. Subsequently he was appointed as Country Executive UK for the ABN AMRO Group.

Since 2007 he held different managerial positions within the company and fulfilled various roles in in risk management. Booij started his career in 2002 as supervisor for market infrastructure at the Netherlands Authority for the Financial Markets (AFM).

From 2019 to 2023, he was a member of the Exchange Council of Eurex Deutschland and chaired the Council from July 2021 until the end of his term. He holds an Executive MSc in International Finance of the University of Amsterdam Business School and a MSc in Law and Economics of the University of Utrecht.

Booij chaired the European Board of the Futures Industry Association (FIA) and was a member of the FIA Global Board between 2020 and 2024.

Member of the Executive Boards of Eurex Frankfurt AG
Chief Technology Officer

In February 2025, Quinten Koekenbier was appointed to the Executive Board of Eurex Frankfurt AG as Chief Technology Officer and Member of the Executive Boards of Eurex Frankfurt AG. 

As a Board Member, he is responsible for derivatives trading IT and, in particular, for the IT strategy as well as the development and technical operation of Eurex Frankfurt AG’s trading system T7. In addition, Koekenbier is responsible for Eurex Frankfurt AG’s performance monitoring and capacity planning. He is also a member of the Management Board of Eurex Deutschland since March 2025.

Quinten Koekenbier joins Eurex after 15 years at Flow Traders Ltd., covering extensively liquidity provisioning, trading infrastructure, and software engineering. With a special focus in algorithmic trading technologies, low-latency infrastructure, and trading, Koekenbier previously held various leadership roles. Most recently, he has been Global Head of Technology, Global Head of Trading Performance, and member of the Executive Committee since October 2022.

Quinten Koekenbier holds a Master of Science in Business Administration with a specialization in Finance, Banking, and Insurance from Vrije Universiteit Amsterdam.

Member of the Executive Boards of Eurex Frankfurt AG

In April 2016, Randolf Roth was appointed to the Executive Board of Eurex Frankfurt AG where he is responsible for Equity & Index Derivatives. He is also a member of the Management Board of Eurex Deutschland since July 2016.

Until February 2016 Randolf Roth served as CEO two related companies: Zimory GmbH and Deutsche Börse Cloud Exchange AG. Previously, between 1999 - 2014, he had already been working for Eurex in London, Chicago and Frankfurt in a number of roles including Head of Strategy and Head of Market Structure.

Until June 2016 Randolf Roth was member of the Supervisory Board of EEX AG. In 1999, Randolf Roth received his PhD in Financial Engineering from Technische Universität Dresden.

Member of the Executive Boards of Eurex Frankfurt AG

In July 2020, Jonas Ullmann was appointed to the Executive Board of Eurex Frankfurt AG where he is responsible for Trading Design & Delivery and acts as Chief Operating Officer within Eurex Frankfurt AG. Since November 2021 he is also a member of the Management Board of Eurex Deutschland.

Until June 2020 Jonas was responsible for Market Functionality within Eurex Market Design. This included the implementation of several market micro structural measures part of the market structure roadmap and the continuous development of the T7 trading system. 

Before that he worked in the Market Supervision Derivatives Trading area and took care of several trading related topics, including theoretical pricing and implementation of new option pricing systems.

Ullmann holds a Master of Money and Finance degree from Goethe University in Frankfurt/Main, Germany.

Chairman of the Supervisory Board of Eurex Frankfurt AG
Chairman of the Supervisory Board of Eurex Clearing AG

Jeffrey Tessler was appointed as member and Vice Chairman of the Supervisory Board of Eurex Frankfurt AG in April 2016. At the same time, Mr Tessler also joined the Supervisory Board of Eurex Clearing AG. He has been Chairman of both boards since June 2018.
From 2004 to 2018, Jeffrey Tessler was a Member of the Executive Board of Deutsche Börse AG. He was responsible for the Clearstream Division until 2015 and headed Clients, Products & Core Markets as of 2016. After having served as Chief Executive Officer of Clearstream Banking S.A. and Clearstream International S.A. since 2004, Mr Tessler became Chairman of the Supervisory Boards of Clearstream in 2015. Since April 2016 Mr Tessler is a member of the Supervisory Board of China Europe International Exchange AG (CEINEX) and became Vice Chairman in June 2018.
Jeffrey Tessler joined Deutsche Börse Group following a 25-year career with The Bank of New York Company, Inc., where he held a number of key management positions in the US and Europe. Most recently, he served as Executive Vice President of BNY Securities Group, the company's global agency brokerage, clearing and financial services outsourcing business. He served as General Manager of The Bank of New York in Europe from 1998 to 2003, a period in which the company achieved a leadership position in providing securities services to European clients. Tessler also served as Head of The Bank of New York's Securities Industry Banking Division from 1988 to 1998.
Jeffrey Tessler began his career in 1979 at the Irving Trust Company, which merged with The Bank of New York in 1988. His experience includes roles as money market trader and dealer in U.S. government bonds.
He holds a BA in Political Science and an MBA from Seton Hall University, New Jersey. 

Vice-Chairman of the Supervisory Board of Eurex Frankfurt AG
Vice-Chairman of the Supervisory Board of Eurex Clearing AG

Gregor Pottmeyer is Chief Financial Officer and member of the Executive Board of Deutsche Börse AG since 2009. In this role, he oversees the Group’s financial accounting & controlling, tax, and risk management, as well as investor relations, treasury, and purchasing & facility management.

Prior to joining Deutsche Börse AG, he spent 22 years in finance roles of increasing responsibility at Daimler AG.

From 2002 to 2009, he served as a Board member at Mercedes-Benz Bank AG, a unit within Daimler’s financial services division. He was responsible for Finance and Risk Management, as well as for Finance/Controlling for the big European financial services companies and for Credit Operations for the financial services companies in Europe, Africa and the Asia-Pacific. In the years 1993 to 2002, Gregor Pottmeyer held several positions at Mercedes-Benz Finanz GmbH, first joining the company as a Senior Project Manager and becoming then Managing Director Controlling/ Accounting. Between 1987 and 1993, he held different positions at Daimler Benz AG and debis AG in the Controlling area.

Gregor Pottmeyer holds a graduate degree in Business Administration from Saarland University in Saarbrücken, Germany.

Member of the Supervisory Board of Eurex Frankfurt AG

With more than 20 years of industry experience, Thomas Book is one of the pioneers in the field of electronic trading. Having joined Deutsche Börse Group in 1995, he was part of the team that rolled out DTB‘s remote membership concept across Europe and the US. During this time, he was able to gain deep insights into the trading business and the importance of innovation and technology for an exchange. 

Book also was part of the project that founded Eurex, the first of its kind cross border exchange merger of DTB and Soffex. In 2001, he rounded off his profound industry knowledge with a Ph. D. thesis on "Electronic exchange trading and global markets". 

Prior to being appointed Member of the Supervisory Board of Eurex Frankfurt AG, Book was CEO of Eurex Frankfurt AG from 2016 until June 2020. Previously, Book already shaped Deutsche Börse‘s clearing business for many years. Appointed to the Eurex Board in 2007, he was Head of Clearing until 2014. In 2013, he assumed the role as CEO of Eurex Clearing AG which he held until 2016. As of 1 July 2018, Book was appointed as Member of the Executive Board, Deutsche Börse AG, responsible for Trading & Clearing. From May 2007 until November 2021, Book was Member of the Management Board of Eurex Deutschland and from July 2020 until November 2021 Chairman of the Management Board of the Frankfurt Stock Exchange.

Furthermore, Book is Chairman of the Supervisory Board of European Energy Exchange AG as well as Vice-Chairman of the Supervisory Board of 360 Treasury Systems AG and of China Europe International Exchange AG.