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Supervisory Board

Pieter den Dikken

Pieter den Dikken is Chairman of DUPI’s supervisory board. After having been Chairman of the Board of Van Ameyde for twelve years, Pieter den Dikken now is member of the Van Ameyde Board (since 2006), responsible for the divisions Marine and Valuations. He also holds a position of supervisory director at various operating companies of the Van Ameyde Group.


Ronald Latenstein van Voorst

Ronald Latenstein van Voorst has CEO and CFO experience at various listed and non-listed companies. He was appointed CEO of Sailfish Management in 2017 and previously worked as CEO and CFO of Dutch bank/insurance company SNS REAAL.

Ronald also holds Supervisory Board positions at various listed and non-listed companies.

Ronald’s experience and expertise include M&A and investment banking, Private Equity, Investment and Asset Management, strategic and general management, Dutch and international insurance and Fintech (China and Asia).


Karl-Christian Hertenberger

Karl-Christian has been Managing Director of Onestone Investments UG since 2017.

Karl-Christian is a seasoned insurance industry veteran and holds Engineering degrees (Dipl.-Ing.) from the Fachhochschule Munchen and the Technical University Berlin.

From 2014 until late 2016 Karl-Christian was a board member at HDI Verzekeringen NV in Rotterdam. Before that his responsibilities included Global Engineering Leader at HDI-Gerling Industrieversicherung AG (2008 – 2014) and Head of Marine and Engineering at HDI Versicherung AG (2003 – 2007).

Previous assignments of Karl-Christian include Managing Director of Albingia Versicherung AG, Regional Branch Office North, Hamburg (1996 – 2000) and Managing Director of AXA Versicherung AG, Branch Office South, Munich (2000 – 2003).


Ronald Langeveld

Ronald Langeveld represents the interests of Vitol Insurance BV as a shareholder in DUPI.

Until his retirement in April 2021, Ronald was Insurance Manager at Vitol Group and Director of Vitol Insurance BV.

Vitol Group is an energy and commodities trading company. Today it has 40 offices worldwide and its largest operations are in Bahrain, Geneva, Houston, London, Rotterdam and Singapore.

Vitol was one of the founding shareholders of DUPI in 1988.