Certified by: Council for Six Sigma Certification (Preferred) 
Black Belt Level II Certified (CSSC) 
Black Belt Level III Certified (CSSC) 
Master Black Belt Certified (CSSC) Over 100,000+ Certified! Specialty Courses Available.
Certified by: Council for Six Sigma Certification (Preferred) (116)
All Certified by: Council for Six Sigma Certification (Preferred) in Netherlands
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Omar van Geest
EXACT Price per hour for Mentoring Services (in US Dollars): $120John Deelaan42, Haarlemmermeer, Netherlands
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Dirk van Grinsven
EXACT Price per hour for Mentoring Services (in US Dollars): $35Tennispad 14 5275 AH Den Dungen The Netherlands