Director Fleet & Operations
Mark Prins (1975) started his career on
sea as an engineer with Spliethoff
before he continued his career with
Jumbo Shipping. After 13 years at sea,
he continued ashore and held various
managerial positions at Wagenborg Shipping and
Wagenborg Offshore before joining Abis
Shipping as director Fleet and Operations.
Director Finance & Control
Ronald Dalebout (1974) started his
career as Certified Public Accountant at
Deloitte. As part of the ‘shipping team’
he gained quite some experience within
this sector. After 13 years he moved to
the other side of the table in the role of
CFO of Abis Shipping.
Ronald Oldenburger was born in the summer of "69".
He has been sailing for several years in
various ranks. In 1998 he started to work
as Technical Superintendent. In 2016 he
started to work for Thorco shipping where he was also
responsible for the qhse department.
Today I combine all these experiences at
Gronberg Ship management.
Marjanne van Harskamp started her career in 2003
at Reider Shipping as assistant of a Superintendent. After
10 year at Reider Shipping she worked a short time as Crew
Coordinator at Siem Offshore. She jointed Thorco
Shipmanagement in August of 2013 as Assistant QHSE and
Technical Department and after that she worked for
Briese Shipping as Team Assistant before
starting work as Company/Operational Assistant at
Patricia de Vries started working for Feederlines
in 2011 as a Crew Coordinator. In 2015 she fulfilled
the position of Manager Crewing in the same company.
The company Feederlines became Shipping Company Groningen
at the end of 2017. At the 1st of September 2018 she started
working for Gronberg Ship Management as Crew Manager.
Agnes Klaver started her career as crew coordinator with Feederlines.
At the end of 2017 Feederlines merged with 2 other companies formed Shipping Company Groningen.
After 19 years working for these companies she took the step to join Gronberg Ship Management at the 1st of September 2018.
Larissa Bleker started working for Seatrade Groningen
in 2008 at the accounting department as a data entry
employee and switched position in 2013 to continue as
an assistant team leader. As of the 1st of November 2018
Larissa fulfills the position of Financial assistant at Gronberg Ship management.