Meet our instructors
Niek Visarius
Niek Visarius works for Dock of the Bay, a boutique consultancy company, as consultant and interim COO. He also is co-founder of Caring the Future, an engineering company with and environmental ambition. Niek has extensive international experience in executive operational roles, focussing on operational improvements and turnarounds.
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. Supply chain practitioner, consultant and Recognized Instructor from ASCM and ISCEA. He helps companies to achieve high level of efficiency by implementing supply chain transformations with structured approach.
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.




