Executive Board

CEO

Jos Dijsselhof joined SIX in January 2018 as CEO. He holds degrees in computer science and business administration, and has a long track record in international management in the financial sector. He has previously held positions at ABN Amro Bank, Royal Bank of Scotland and ANZ Australia & New Zealand Banking Group in various countries including Hong Kong and Singapore. His most recent role was Chief Operating Officer (2014–June 2017) and CEO ad interim (2015) at Euronext in Amsterdam.

Other Activities and Mandates

• Chairman of the Board of Directors Bolsas y Mercados Españoles (BME), Madrid
• Chairman of the Working Committee of the World Federation of Exchanges (WFE), London

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CFO

Daniel Schmucki took up his role as CFO of SIX in March 2017. He joined SIX from Flughafen Zürich AG, where he had been Chief Financial Officer and Deputy CEO since 2008. In addition to all the traditional finance functions, he was also responsible for fee management, information and communication technology, risk and compliance management and central procurement as well as M&A, including the operation of all the company’s global commitments. Daniel Schmucki joined Flughafen Zürich AG as Head Controlling at the end of 1999. In 2002 he also took over responsibility for the Treasury and Investor Relations departments and for the expansion of the company’s international airport activities. Before joining Flughafen Zürich AG, he held various management positions in the field of finance within Germany’s Bosch Group, such as Head Division Controlling at Scintilla AG and Chief Financial Officer of Robert Bosch Internationale Beteiligungen AG. Daniel Schmucki holds a Federal Diploma as an expert in accounting and controlling. In 2013 Daniel Schmucki was named “Switzerland’s CFO of the year”.

Other Activities and Mandates

• Chairman or member of the Board of Directors of various Group companies of SIX Group Ltd
• Member of the Board of Directors Bolsas y Mercados Españoles, Madrid
• Member of the Board of Directors, Worldline SA (Censor), Paris
• Chairman of the Association of Swiss CFOs, Zurich
• Member of the Board of Directors of Zoo Zurich, Zurich

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CRO

Jochen Dürr took up his position as Chief Risk Officer of SIX in March 2015. Prior to this, he held a number of management positions in the risk management field at State Street Corporation. Jochen Dürr began his professional career as a management consultant at McKinsey & Company, working in both Germany and the US. He provided his global clientele, which included asset managers, banks and insurance companies, with support, focusing on risk management, the capital market business and corporate finance. Jochen Dürr was awarded a doctorate in credit risk management from the Faculty of Economic and Social Sciences at the University of Rostock and has a degree in economics from the University of St. Gallen. He also took part in study visits to the University of Warwick and the Stern Business School. 

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Global Head Exchanges

Thomas Zeeb took up his role as Global Head Exchanges in January 2020. He has been responsible for the Securities Services business unit since 2008 and has also been in charge of Swiss Exchange since February 2018. He joined SIX in 2008 having previously worked for Clearstream Banking in London and Luxembourg. As Executive Director of Client Relations, he was a member of the company’s executive management and a member of the Board of Directors of Clearstream Banking Frankfurt. Placed in charge of sales, relationship management and client services, Thomas Zeeb was responsible for the development of the European and US businesses. He previously held positions in companies such as the Bank of New York in London, Sim & Fed SpA in Florence and Deutsche Bank AG in Frankfurt. Over the course of his career, Thomas Zeeb has gained a wealth of experience in the post-trading sector.

Other Activities and Mandates

• Chairman or member of the Board of Directors of various Group companies of SIX Group Ltd

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Head Financial Information

In January 2020, Marion Leslie assumed the role of Head Financial Information. She moved from Refinitiv (formerly Thomson Reuters), where she was appointed Managing Director Enterprise Business in 2016. In this position she was responsible for a significant flagship business of many hundreds of million dollars, delivering real-time data feeds, analytics, data management and distribution platforms to financial service customers globally. In prior roles, she has run global technology and cross asset content teams at scale, supported by 1,500 experts in 26 countries worldwide. Marion Leslie held a variety of executive roles within Thomson Reuters, which she joined in 1994. She gained international experience as Executive Director, Board of Reuters India, where she established and developed a center of excellence that would eventually span five offices and 2,000 employees. Marion Leslie holds a Post Graduate Certificate in Education in French and German from the University of Cambridge. She was nominated in the Cranfield University Female FTSE 100 Women to Watch Board Report in 2017, and in 2014 was the winner of the Award for Achievement at the Women in Banking and Finance Awards.

Other Activities and Mandates

• President or member of the Board of Directors of various Group companies of SIX Group Ltd
• Member of the Board of Directors Bolsas y Mercados Españoles (BME), Madrid
• Member of the Board Advance, Zurich
• Non-executive director of the Board for the UK Hydrographic Office, Taunton, UK
• Trustee Prostate Cancer UK, London, UK

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Head IT

As Head IT, Christoph Landis has been responsible for the development and operation of the entire IT infrastructure since February 2018. Prior to this, he was responsible for Swiss Exchange from November 2015 to January 2018. He was appointed CIO to the Management Committee of Swiss Exchange in 2003 and has been responsible for the Operations unit since 2010, becoming Deputy in 2012. Christoph Landis has held various technology-related positions within Swiss Exchange since 1992. He has been Deputy Director of the Information Technology unit since 1999, with a major focus on developmental and external IT projects. After obtaining his university entrance qualification in Zurich in 1978, Christoph Landis continued his studies in the fields of human medicine, information technology and economics.

Other Activities and Mandates

• Chairman or member of the Board of Directors of various Group companies of SIX Group Ltd

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Head Securities Services

Javier Hernani Burzaco has been Head Securities Services at SIX since January 2021. In June 2020, he assumed the role of Head BME after the takeover of BME by SIX. The Spanish citizen holds degrees in economics and business management from Universidad Comercial de Deusto and in european studies from Brugges European School. Before joining BME in 2002, he held the position as Deputy General Manager of the Bilbao Stock Exchange. Previously Javier Hernani Burzaco worked as European Financial Sector consultant at Coopers & Lybrand Brussels and as CFO at Norbolsa, a Spanish broker.

Other Activities and Mandates

• Member of the Board of Directors Bolsas y Mercados Españoles (BME), Madrid
• Member of the Board of Directors Operador do Mercado Ibérico de Energia, Madrid
• Member of the Executive Board Federación Iberoamericana de Bolsas (FIAB), Buenos Aires

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Head Banking Services

Dieter Goerdten has headed the Banking Services business unit since August 1, 2022. He previously had been in charge of the Banking Services business unit’s Products & Solutions department since September 2018. He earned a degree in economics from the University of Hamburg, holds a Master of Advanced Studies degree in corporate finance from the University of Applied Sciences and Arts of Northwestern Switzerland, and has many years of international managerial experience in the Swiss financial sector. His professional background also includes career experience in the airline industry (at Deutsche Lufthansa in Frankfurt, Cologne, and Hamburg) and in the field of international development cooperation (at the German Development Cooperation Agency), with multiyear stints in Costa Rica and Ethiopia. In Switzerland he has held various management roles at UBS, PostFinance, the St. Gallen-based Bankenberatungszentrum, and the consultancy firm Boxcon. Dieter Goerdten also is concurrently serving as the interim Chief Executive Officer of Swiss Euro Clearing Bank in Frankfurt until November 2022.

Other Activities and Mandates

• Chairman of the Board of Directors Terravis AG, Zurich
• Member of the Board Swiss Fintech Innovations (SFTI), Zurich
• Member of the Board Swiss Association for Swift & Financial Standards (SASFS), Pfäffikon

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General Counsel

Roger Fankhauser joined SIX as  General Counsel in May 2022. In this role, he is in charge of the Legal, Group Corporate Secretary, and Regulatory Affairs departments at SIX. Roger Fankhauser is an internationally experienced leader specialized in financial market law. He studied law at the University of Bern (lic. iur.), earned a doctorate at the University of Zurich (Dr. iur.), and passed the Zurich bar exam. He began his professional career at the business law firm Schellenberg Wittmer in Zurich. Afterwards he worked for renowned law firms in Sydney and Dubai, where he spent four years gaining international experience primarily in the field of capital and financial market law. In 2011, he transferred to Société Générale, where he built the legal department for the group’s Swiss Corporate & Investment Banking business and later served as the head of Legal Corporate & Investment Banking in Zurich and as the Country Legal Coordinator for Switzerland. In 2018, he transferred to Vontobel, where he initially led group legal operations and then was promoted to the position of Head Legal and named a member of the senior management circle in early 2020.

Head Corporate Communications & Marketing

Alain Bichsel has headed up Marketing & Communications since April 2018. As part of this role, he is responsible for marketing, corporate communications and brand management at SIX. At the end of 2014, Alain Bichsel was appointed Head Corporate Communications at SIX, where he had already been responsible for Group-wide media relations since 2011. Prior to this, he was Head of Communications at FINMA (previously the Swiss Federal Banking Commission) from 2007 onward. Before joining FINMA, he held various management positions in Communications at the Swiss Bankers Association and a number of private organizations. Alain Bichsel is a Swiss national and holds a Ph.D. in Law from the University of Basel, Switzerland. 

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Chief Human Resources Officer

Hannah Zaunmüller has been responsible for Human Resources (HR) since February 2021. She has many years of management experience in the field of HR in various industries. After completing her university degree (Master of Economics) in the Netherlands and subsequent doctorate (Dr. rer. Pol.) at RWTH Aachen University in Germany, she started her career at Deutsche Post DHL in 2005. In 2009 she moved to Swiss Post, where she was initially Head of HR Strategy and Governance, before becoming Head of Talent and then Head of Development. In 2017, Hannah Zaunmüller took on the role of Chief Human Resources Officer and Member of the Extended Group Executive Board at Ringier. As such, she was responsible for the entire HR of the Ringier Group with companies in 19 countries.