25.10.21
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DZ
David Zhang
2 Credentials
is hereby granted to
David Zhang
In recognition of the mastery of the Lean Green Belt body of knowledge
James Swisher Continuing Education Director
LEAN GREEN BELT
___________________
CERTIFICATE
Certificate ID: 69308932
___________________
March 6, 2023
Issue Date
Expires on: 03/05/2026
Lean Green Belt
Lean Green Belt
March 6, 2023
Institute of Industrial and Systems Engineers (IISE)
is hereby granted to
David Zhang
In recognition of the mastery of the Six Sigma Green Belt body of knowledge
James Swisher Continuing Education Director
SIX SIGMA GREEN BELT
___________________
CERTIFICATE
Certificate ID: 68479064
___________________
February 21, 2023
Issue Date
Expires on: 02/20/2026
Six Sigma Green Belt
Six Sigma Green Belt
February 21, 2023
Institute of Industrial and Systems Engineers (IISE)
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