Damon Sweep
As a Project Surveyor for JSD, Damon Sweep focuses on boundary and topographic surveys, working with contractors on a variety of construction projects.
Alexandria Regional Office
Dean Jahner
Dean is a Survey Crew Chief on JSD’s team, spending most of his time doing topographic surveys and staking alone or with his fellow teammates.
Tyler Dahlheimer
Tyler Dahlheimer is a Senior Project Surveyor for JSD, providing a variety of in-office and field tasks including research, review, and preparation of survey documents for new jobs. He serves as a mentor and takes the lead with field crews and technicians as well as communicates with clients and project team members.
Jon Botz
Jon Botz is a Survey Crew Chief for JSD, completing field and office procedures for all types of surveys (ALTA, Certificate of Surveys, Elevation Surveys, and Topographic Surveys) as well as carrying out construction staking.
Mark Jahner
As Senior Project Surveyor, Mark manages the surveying team of the Alexandria, MN office.