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Management photo gallery 

Dale E. Berner, PhD, PE

President
deb@gerwick.com

Ted W. Trenkwalder, SE

Vice President
twt@gerwick.com

Henrik Dahl, PE

Vice President 
hkd@gerwick.com

Sam X. Yao, PhD, PE

Vice President
sy@gerwick.com

Bing Chen

Head of Accounting
bc@gerwick.com

Najwa Mourad

Head of Operations
nmou@gerwick.com

LAST UPDATED: 29.09.2011