25.12.14
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DG
DEREK GRAHAM
1 Credential
THIS IS TO CERTIFY THAT
HAS ATTENDED AND SUCCESSFULLY COMPLETED
DEREK GRAHAM
CONSTRUCTION PROJECT MANAGEMENT
Bob Halperin
Leora Brovman
DECEMBER 2020
Academic Director EMERITUS
Associate Dean, Academic Courses Columbia Engineering
CONSTRUCTION PROJECT MANAGEMENT
January 16, 2021
Emeritus
