Meet our instructors
Niek Visarius
Niek Visarius works as an interim manager in supply chain and operations, including roles as co-founder of Caring the Future and consultant at Dock of the Bay. He has held several executive positions focused on improving operational performance and financial processes.
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Paul Denneman
Paul Denneman is a senior consultant and international APICS Master Instructor with broad experience in logistics and supply chain. He delivers CPIM, CSCP, CLTD and related programs, combining practical project knowledge with a strong focus on storytelling and learning impact.
Koos Kalkman
Koos Kalkman specializes in inventory management and supply chain optimization, providing training for both Slimstock users and logistics professionals. Koos helps organizations turn knowledge into practical improvements in stock control and process alignment.
Stepan Kobzyev
Stepan Kobzyev has over 20 years of experience in logistics and supply chain across various industries. As a certified instructor (APICS, ISCEA, CSCMP), he helps professionals improve processes and strive for SCM excellence.
Edgar van Waardhuizen
Edgar van Waardhuizen is a supply chain expert with 20+ years of international experience. He specializes in planning, logistics, and change management, and teaches APICS-certified SCM programs.