Progressive Finance for a Changing World

CEO SIX

Jos Dijsselhof has been the CEO of SIX since the 1st of January 2018.

A Dutch citizen, Jos holds degrees in computer science and Business Administration, and has a distinguished track record in international management in the financial sector. He previously held positions at the ABN Amro Bank, Royal Bank of Scotland and ANZ 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) for 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

Head Securities Services, SIX

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

Head Financial Information, SIX

Marion Leslie is Head Financial Information at SIX and a member of the SIX Executive Board. She is also a member of the BME Board of Directors. 
The British-Australian dual citizen has a degree in the administration of companies specialised in French and German translation and interpreting from the University of Salford and holds a Postgraduate Certificate in Education in French and German from the University of Cambridge.
Until her appointment in 2016 as Executive Director of Corporate Business at Refinitiv (formerly Thomson Reuters), she has held various executive positions within Thomson Reuters. Thus, among other positions at Thomson Reuters, she has held various roles in the Reuters Data Operations segment from 1994 to 2000, has been responsible for EMEA Operations from 2000 to 2003, Executive Director at the Board of Reuters Indicates.
Additionally, she has been an external Director of UK Hydrografic, Ministry of Defence Trading Fund since 2015 and a Trustee at Prostate Cancer UK since 2016.

Head Domestic Custody & TR, SIX

Jesús Benito has an Economic Degree from Complutense University in Madrid. He passed the oppositions to join Banco de España in 1988. In 2000, he joined BME. Jesús is CEO of IBERCLEAR, the Spanish CSD, since 2006 and Chairman of REGIS-TR since April 2022. Jesús Benito is also member of the Management Committees of SIX Securities Services and BME.

Head Commercials Securities Services, SIX

Marcus Harréus leads the Commercials organisation within Securities Services. In this capacity, he leads all of the relationship management, product management and sales activities for the post-trade area.
Marcus Harréus also heads the legal entity SIX SIS AG which provides settlement and custody activities by being Switzerland’s regulated national Central Securities Depository (CSD) and by serving its regulated clients worldwide as a Global Custodian.
He joined SIX as Head Strategy of Securities Services in 2013, a position he held for four years. Prior to SIX, Marcus enjoyed a long and varied career in the financial sector. He spent twelve years in a range of key positions at Deutsche Börse AG, where he acquired ample management experience and an in-depth understanding of global markets. He has also spent extended periods of time working in Australia and London.
Marcus’ practical expertise is augmented by an MBA, which he earned from the Goethe University Frankfurt. Marcus is also a member of the board of directors of Regis-TR SA.

Head International Custody, SIX

Stephan Hänseler heads up the international Custody business of SIX, providing settlement and custody activities by serving its regulated clients worldwide as a Global Custodian. In this capacity, Stephan Hänseler is responsible for the management and further development of the international Custody business and acts as a catalyst and driver of the Swiss Financial Center’s competitiveness.
Stephan joined SIX in 2019, after having worked for over two decades in different roles within Credit Suisse and UBS in Zurich and Singapore. Aside from managing global, complex projects, he has a proven track record in the securities industry. He is experienced in managing global teams, with a special focus on acquisition, relationship management, product development and operations.

Head of Clearing and Repo Operations, SIX

As CEO at BME Clearing, Jose Manuel Ortiz-Repiso is responsible of the management and the strategy of a highly diversified CCP.
Jose Manuel has been with BME since 2000. More than 20 years of experience in the entire financial industry value chain, from trading to post-trading, performing different roles and accountabilities in multiple areas, acquiring in-depth knowledge about infrastructures management, participating in their growth, in their adaptations to different regulatory and technical changes, and extremely involved coordinating the most important transversal projects.
Jose Manuel holds economics and business degree from Alcala de Henares University and an MBA from IE Business School.