Jelle Koolstra – Biography
Last update: March 25, 2026Executive profile
Jelle Koolstra is currently
Manager of Quality, Health, Safety and Environment at Gouda Refractories - View - Gouda Refractories org chart
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The colleagues of Jelle Koolstra
Company Colleagues
- At Gouda Refractories, Jelle Koolstra has 16 colleagues including Marcus Schuchmann (Managing Director), Michel Grootenboer (Sales)…
Industry Colleagues
- In the Materials industry, Jelle Koolstra has 14,611 colleagues in 846 companies located in 80 countries. 6,104 executive movements have been recorded in the last 12 months. Learn more about Materials.
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Through the switchboard, call Gouda Refractories at +31 18... and ask for Jelle Koolstra.
