David Hart, CP, SP, RPP

CEO & Co-founder

Chris Gross

COO & Co-founder

Andy Dougherty


Paul Braun

Vice President - Business Development

Raquel Charrois, CP, PMP, CMS-RS, CMS-GIS/LIS, SP, RP

Vice President - Operations

Nathan Spangler

General Manager - Defense and Intelligence

Tim Caya

General Manager - Transportation and Infrastructure

Pete Briere

General Manager - Civil Works

Continental Mapping is supported by Certified Photogrammetrists (CP), GIS programmers and analysts, Professional Land Surveyors (PLS), IT professionals, and survey technicians from highly valued and diverse backgrounds.

Natural Gas Explosion

Many difficulties remain for the community as a result of the tragic explosion adjacent to our headquarters building in downtown Sun Prairie, WI. However, our business operations are back online, and though we are still dealing with issues, we remain committed to client delivery. Visit the link below for more official updates from the City of Sun Prairie. #SunPrairieStrong 


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