Northern California
4527 Montgomery Drive, Suite M
Santa Rosa, CA 95409
(707) 537-8282
(707) 537-8338 (Fax)

Jasper Calcara, P.E. (President)
calcara@charlesengineering.com

Luke Griffis, P.E. (Associate Engineer)         
luke@charlesengineering.com

Josh Rubero (Associate Engineer)
rubero@charlesengineering.com

JB Bellinger (Associate Engineer)
jb@charlesengineering.com

Katy Carreiro (AutoCAD Drafter)          
katy@charlesengineering.com

Chris Young (AutoCAD Drafter)
young@charlesengineering.com

Todd McNeive (AutoCAD Drafter)
todd@charlesengineering.com

Annie Marie Burrows (Office Assistant)
anniemt@charlesengineering.com

Southern California
119 Aberdeen Drive, Suite 8
Cardiff, CA 92007
(760) 436-9756
(760) 436-9757 (Fax)

Robin Ko, P.E. (Chief Engineer)         
ko@charlesengineering.com

Chris Calcara (Associate Engineer)         
chris@charlesengineering.com

Chong Kim (Associate Engineer)
chong@charlesengineering.com

Derek Cornelson (AutoCAD Drafter)          
derek@charlesengineering.com

Sam Lilio (AutoCAD Drafter)
sam@charlesengineering.com