Welcome, Miller!
We’re excited to welcome Miller Gruenewald to the HEI team as a Senior Hydrogeologist! Based in our Maple Grove, MN, office, Miller brings more than 9 years of experience leading environmental due diligence and remediation projects.
Miller is a University of St. Thomas alumnus from the class of 2017. While there, he obtained his Bachelor of Science in Environmental Science with a Geology concentration. Since graduating, he has worked on projects across consulting and industry environments, and he earned several certifications and licenses:
- Professional Geologist
- Minnesota Department of Health (MDH) Asbestos Inspector
- MDH Asbestos Site Supervisor
- Member of Minnesota American Institute of Professional Geologists
Welcome to the team, Miller!

Fun Facts
What drew you to HEI, and what excites you most about joining our team?
I have a passion for protecting human health and the environment; I was drawn to the type of work that HEI does. When I started meeting other people at HEI, I could tell right away this is place where people value their work and those around them. I’m excited to be part of a team like that.
What’s your favorite way to relax and unwind after a busy day?
My favorite daily activity is taking walks with my wife, our son, and our 100-pound Great Pyrenees.
What do you enjoy doing outside of work?
Outside of work I enjoy hockey, camping, hiking, live comedy, going to concerts, and living an amazing life alongside my wife and 1 year old son.
If you could travel anywhere in the world, where would you go and why?
If I could travel anywhere in the world I would go to Osaka, Japan. I am so impressed by the infrastructure of Japan and want to see it for myself. I have also heard Osaka is a better travel destination than Tokyo.
What’s your favorite snack?
My favorite snack is probably beef sticks/beef jerky.

