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International Support Vessel Owners Association​

Office Bearers


A President and Vice-President are elected by members each year at the ISOA General Meeting.

The current office bearers are:

President: Martin Helweg (P and O Maritime Logistics)

Vice-President: (vacant)

An Executive Committee is elected each year, which is responsible for overseeing the business of ISOA. The current members of the Executive Committee (in addition to the President and Vice-President) are:

  • Markus DeJonge (ADNOC Logistics and Services) 

  • Rodolphe Bouchet (Bourbon) 

  • John Gellert (Seacor) 

  • David Darling (Tidewater)


The day to day running of ISOA is the responsibility of the Secretary.

Jan-Piet Baars is the current Secretary since his take over in September 2023.  Tony Mason will be retiring from his position of Secretary in February 2024 after holding the post since 2006.

Support services are provided by the International Chamber of Shipping (ICS).

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