Our Supervisory Board

Hans van der Noordaa has many years of national and international experience as a banker and insurer. His positions included that of CEO of Delta Lloyd (2015-2017) and previously he held memberships with the Executive Boards of ING Bank and ING Groep. Hans van der Noordaa was appointed Chair of the SBs of Coöperatief Deloitte U.A. and Deloitte Holding B.V. on 29 April 2020. He holds several other supervisory positions, such as Chair of the Supervisory
Board of War Child, Chair of the Supervisory Board of the Johan Cruijff Arena and member of the Supervisory Board of Health[e]Foundation.

Denise Larnder has been a member of the Supervisory Board of Deloitte Netherlands since October 2021. Denise is a chartered accountant and is a fellow of the ICAEW. After a long career as an audit partner and external auditor at EY until December 2016, where she also held various management and quality roles, she made the definitive transition to being a Non-Executive Director. As an external auditor, she served various insurance companies and other highly regulated entities, acted as lead audit partner for the largest pension schemes, and engagement quality review partner for listed clients. She currently holds supervisory roles at Allianz Insurance UK and the LV=GI Group, and the University of Greenwich.

Corien Wortmann has been a member of the Supervisory Board of Deloitte Netherlands since May 2024. She has served, among other roles, as the Chair of the Board at Stichting Pensioenfonds ABP, as Vice Chair (Economic, Finance, and Environment) for the EPP Group in the European Parliament, and is currently a Non Executive Board Member of DSM Firmenich AG and AEGON Ltd, and Chair of the Supervisory Board of Netspar. Her distinguished career in a variety of executive and supervisory positions, both within the Netherlands and internationally, has provided Corien Wortmann with deep understanding of complex governance structures and the challenges of managing diverse stakeholder relationships.

Since January 1, 2025, Mariëlle Vogt has been a member of the Supervisory Board of Deloitte Netherlands, serving as the Chair of the Audit & Finance Committee. She is an accomplished leader with extensive experience across the public, semi-public, and private sectors. Mariëlle began her career at KPN, where she honed her financial expertise before taking on the role of Finance Director at TU Delft. She then transitioned to Enexis, where she served as CFO and a member of the Executive Board from January 2021 until June 2025, including a year as Interim CEO. Mariëlle brings a wealth of experience in finance and governance, with a particular focus on managing complex stakeholder relationships and driving change.

Hessel Dikkers (1962) has been a member of the Supervisory Board of Deloitte Netherlands since 2026. Hessel has held senior roles at ABN AMRO and SNS REAAL and most recently served as Chief Information Officer of N.V. Nederlandse Spoorwegen, where he led large scale digital transformation programmes, including SAP S/4HANA implementations and major data platform initiatives. His remit covered innovation, public cloud, cybersecurity, digital security and privacy. He has led large teams and managed complex post merger IT integrations. He also holds supervisory positions at Klaverblad Verzekeringen, Trans Link Systems and Reisinformatiegroep. His strategic insight into technology, risk and transformation complements the Board’s oversight, particularly on technology, cyber security and operational resilience.