De Vries Scheepsbouw Makkum
Diederik van den Berg is an experienced maritime professional currently serving as Projectmanager refit & services at De Vries Scheepsbouw Makkum since September 2025. Previously, Diederik worked at JR Shipping from April 2015 to September 2025, holding positions as Technical Purchaser and Technical Superintendent. Prior experience includes the role of Technical Superintendent at Jack Up Barge B.V. from July 2012 to March 2015, where responsibilities included managing barge repair and maintenance. Diederik's background also features a tenure as Teamleider Technisch Beheer at D.E MASTER BLENDERS 1753, and Technical Superintendent at Wagenborg Kazakhstan. Diederik began a career in maritime engineering at Wagenborg Shipping BV, progressing from Second Engineer to Chief Engineer from October 1998 to October 2007. Educational qualifications include a degree from Hogere Zeevaartschool “Willem Barentsz,” obtained in 1998.
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De Vries Scheepsbouw Makkum
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De Vries first opened the doors of the yard in Aalsmeer in 1906 and today is solely dedicated to custom-built superyachts. Client wishes are at the forefront of the process and the experienced after sales department ensure this relationship continues long after delivery. Some 375 highly skilled craftsmen launch an average of three superyachts per year, each up to 100m in length. The yard in Makkum was added to the company in 2005. The workforce grew from 70 to 250 people over the years. Accommodating builds of up to 120-metres in length, the yard also oversees refits and Feadship maintenance. In house disciplines at both yards include steel, aluminum, interior and exterior joinery, mechanical engineering and paintwork. Next to the two outfitting yards, the De Vries Group includes various subsidiaries with locations all over the Netherlands. Feadship Feadship is widely recognised as the world leader in custom-built superyachts. Based in the Netherlands with roots dating back to 1849, Feadship is defined by unparalleled craftsmanship, setting the standard in every aspect of design, engineering and construction. Each bespoke superyacht is created in partnership with an owner who invests in a uniquely rewarding build experience.