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Entzie, Olson-Holmly, and Schuster Earn Professional Licenses

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Entzie, Olson-Holmly, and Schuster Earn Professional Licenses

Congratulations to the following staff on earning their Professional Engineer (PE) licenses: Carl Entzie, Ian Olson-Holmly, and Zach Schuster. Learn more about them below. 

Carl Entzie

Carl is an Engineer II who performs duties as a design/field engineer and survey assistant. Outside of work, Carl enjoys spending time with friends and family, doing hands-on projects, fishing, hunting, spending time outside, and visiting new breweries.  

Fun Facts

  • Family: Wife Yssi.
  • Pets: One dog (a little pug named Otis) and one cat named Tilly.
  • Most Memorable Place Visited: New Zealand.
  • Enjoy Listening to: 90s country and audio books.
  • Favorite Food: Steak dinner with asparagus or brussel sprouts on the grill.
  • Currently Reading: Game of Thrones. 
  • Top Destination on Bucket List: Germany.
  • Best Advice You’ve Heard: Everything happens for a reason.
Ian Olson-Holmly Headshot

Ian Olson-Holmly

Ian is an Engineer II who specializes in water resources and modeling projects. Outside of work, Ian enjoys sailing, bicycling, skiing, and camping.

Fun Facts 

  • Most Memorable Place Visited: Norway.
  • Cheer for the: Minnesota Vikings, Wild, Loons, and Gophers.
  • Favorite Food: Tacos.
  • Top Destination on Bucket List: Bahamas.
Zach Schuster Headshot

Zach Schuster 

Zach is an Engineer II who focuses on agricultural drainage and other water resources projects. Outside of work, Zach enjoys riding his bike.  

Fun Facts 

  • Cheers for: Illinois basketball, Wisconsin football, and the Milwaukee Bucks. 
  • Favorite Foods: BBQ and Chicago-style pizza.
  • Favorite Podcast: My own! I co-host a podcast about cyclocross racing called The Media Pit. 
  • Random Fact About Yourself: I used to be a ginger before middle age struck and turned my hair gray. 
  • Any Special Talents or Skills: I am pretty good at the New York Times Crossword Puzzle. 
  • Top Destination on Bucket List: Iceland for a bike race I was supposed to do in 2020.
  • Best Advice You’ve Heard: On Wisconsin! 
  • I enjoy being part of the HEI team because: It is a group of easy-going, top-level professionals focused on doing good work.