Our team

Meet the Sempergreen team. With more than one hundred employees in North America, Europe, China, Colombia and the Caribbean, we work enthusiastically on the developing and selling our green products every day. 

Using the following filters you can find the right contact person per country, department or product group.

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Corné van Garderen
Corné van Garderen Managing Director & Founder Tel: +31 343 539 699
Oscar Warmerdam
Oscar Warmerdam President Sempergreen USA Tel: +1-202-215-6005
Richard Hoek
Richard Hoek General Manager USA Tel: +1-214-797-5300
Dick Bernauer
Dick Bernauer National Sales Manager USA Tel: +1-301-219-4071
Joep van Vilsteren
Joep van Vilsteren Regional Sales Manager East Coast: DC,MD,NC,PA,WV,VA,SC,GA Tel: +1-540-219-9157
Ivo van Breukelen
Ivo van Breukelen Regional Sales Manager Mid-West: MN,WI,IL,KS,MO,OH,IA,IN,KY,MI,TN, MA Tel: +1-312-995-3725
Benny Hidalgo
Benny Hidalgo Production Manager USA Tel: +1-540-219-2599
Julie Zarnowski
Julie Zarnowski Financial Affairs USA Tel: +1-540-399-5055
Hans de Jongh
Hans de Jongh Sales Manager - Living Walls Vancouver Tel: +1-778 239-3422