Our People
Meet the dedicated board members, staff, and project leaders who help guide Sustainable Stillwater MN’s mission every day. Together, we’re working to strengthen our community, protect the environment, and support a resilient local economy throughout the St. Croix Valley. Our Board of Directors meets every other month, and community members are welcome to propose agenda items by emailing the Board Chair. Is your suggestion an idea for a new project? If so, we encourage you to submit it through our Project Idea Form for consideration instead.

Andi Arnold
Team Member
Executive Director & Program Lead - Valley Network

Mariah Jorgensen
Team Member
Administration Assistant

Sirid Kellermann
Board Member, Chair

Nancy Lyner
Board Member, Secretary

Mary Hoff
Board Member

Allison McGinnis
Team Member
Program Manager - Bird City

Kelsey Depew
Team Member
Communications & Operations Manager

Leslie Frick
Team Member
Green Business Manager

Brett Sitter
Board Member, Vice Chair

Brett Swanson
Board Member

Roger Tomten
Board Member
Program Lead - Community Leadership

Rick Heidick
Team Member
Program Lead - Transportation

Gaby Gerken
Team Member
Project Manager

Jennifer Maes
Team Member
Bookkeeper

Clayton Dumcum
Board Member, Treasurer

Hal U.
Board Member

Amelia Kozlowski
Student Board Member
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