Northern California
4706 Hoen Avenue
Santa Rosa, CA 95405
(707) 537-8282
(707) 537-8338 (Fax)

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

Luke Griffis, P.E. (Branch Manager)         
luke@charlesengineering.com

Randy Girouard S.E. (Senior Engineer)
randy@charlesengineering.com

Josh Rubero P.E. (Associate Engineer)
rubero@charlesengineering.com

Nick Britten P.E. (Associate Engineer)
nick@charlesengineering.com

Mark Palmatier (Associate Engineer)
markp@charlesengineering.com

James Yorita (Associate Engineer)
james@charlesengineering.com

Gamal Mansour (IT Manager)
gamal@charlesengineering.com

Katy Carreiro (AutoCAD Drafter)          
katy@charlesengineering.com

Chris Young (AutoCAD Drafter)
young@charlesengineering.com

Daniel Hansen (AutoCAD Drafter)
daniel@charlesengineering.com

Ashley Gonzalez (Administrative Assistant)
ashley@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 / Branch Manager)         
ko@charlesengineering.com

Chong Kim, P.E. (Associate Engineer)
chong@charlesengineering.com

Megan Stoner (Associate Engineer)
megan@charlesengineering.com

John Meissner (Associate Engineer)
john@charlesengineering.com

Derek Cornelson (AutoCAD Drafter)          
derek@charlesengineering.com

Sam Lilio (AutoCAD Drafter)
sam@charlesengineering.com