HEI welcomes two new employees, David Orthengren and Isaac Purseglove. David joins as a GIS Technician located in Maple Grove and Isaac joins as Civil Technician located in Minot.
David Orthengren
David Orthengren joins HEI as a GIS Technician in our Maple Grove Office. David will work closely with engineers and scientists to collect and create data to generate project maps with ESRI ArcGIS software. His work will largely help water management organizations serve their communities by maintaining their water resources. Originally from Delano, MN, David earned his bachelor’s degree in environment, sustainability and geography with a minor in GIS from the University of Minnesota Duluth.
Fun Facts:
Hobbies: Guitar, video games, traveling, and snowboarding
Family: I have been married since October
Pets: Dog
Most Memorable Vacation: Lake Como, Italy, and the villages in the hills nearby
Most Memorable Concert: Alice in Chains
Favorite Food: I love a BBQ bacon burger
Favorite Podcast: 2 Bears 1 Cave
Favorite Movie Genre: Thriller/mystery
Favorite Sports: F1 Racing, football
Favorite Season: Winter (when it is not blisteringly cold out)
Currently Reading: The Sum of All Fears by Tom Clancy
Currently Watching: I am always rewatching The Office and Parks and Recreation
On My Playlist: Hard rock and metal, Alice in Chains, Foo Fighters, Pantera
Work Fuel: Red Bull
Dream Car: MK4 Toyota Supra
What do you love about your community? I love that there is always something to do. New restaurants to try, new things to see, new experiences to have, and great people to do it with.
I’m excited to be a part of the HEI team because I am looking forward to new challenges, meeting new people, and advancing my career.
Isaac Purseglove
Isaac Purseglove joins HEI as a Civil Technician in our Minot office. Isaac will work with project managers to develop project specifications, designs, reports, and communications as well as perform construction observation and inspections.
Originally from Plainfield, MA, Isaac recently earned his associate of applied science degree in engineering technology from Bismarck State College. Before joining HEI, he worked in various surveying and technician roles for different organizations, including the US Air Force.
Fun Facts:
Hobbies: Golf, mountain biking, and board games
Most Memorable Vacation: 2019 bicycle trip from Minot to Illinois
Top Destination on Bucket List: New Zealand
Favorite Food: Gyros
Favorite Movie Genre: Comedy
Favorite Season: Fall
I’m excited to be a part of the HEI team because I get to work with a great team while pursuing my professional goals.
Kessler Leads Panel Discussion at MN AgriGrowth Fall Summit
October 21, 2026
Minnesota’s water resources and agricultural future are closely connected, making collaboration and thoughtful conversations essential as we look ahead. At...
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