Logo for Jennings Kallen Advisors client Impact7G

Based in Des Moines, Iowa, with offices throughout Iowa, Impact7G is a full service environmental and sustainability consulting company.

“Jon has been a great business development resource for our company. Jon has a vast and extensive network and is readily able to connect us to potential clients. He is also very good at working to establish effective partnerships and collaborations with current and prospective clients.”


– Ryan Peterson, President

Headquartered in
Des Moines, Iowa

8951 Windsor Parkway, Suite 1
Des Moines, Iowa 50131

Reach us by phone at