Jason has been part of the Grinnell College campus since 2008.  He had worked at the former Grinnell Golf & Country Club for 7 years prior to joining the Grinnell College team.  He now oversees the turf of the Grinnell College athletic fields and golf course.

Jason was recently named the 2020 Iowa Sports Turf Management Association Manager of the Year.  More on this award can be found here!

When Jason is not keeping the green spaces across campus looking tidy, you can find him helping with you sports programs across Grinnell.


  • Phone:  641-269-9773
  • Email:  koester2@grinnell.edu