Glacial Lakes Conservancy
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    • 2023-2024 Annual Report Snapshot
    • 2022-2023 Annual Report Snapshot
    • 2021-2022 Annual Report Snapshot
    • 2020-2021 Annual Report Snapshot
  • What We Do
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    • Photos from previous events
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  • Youth Education
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  • GLC Event Sponsors
  • 2025 Land Trust Days
  • Plant Sale
  • Rooted in Nature 6/28 Fundraiser - Purchase Tickets Here

Who we are

Our History

Glacial Lakes Conservancy, Inc. is a private, non-profit land conservation organization.  The original founders saw that during the 1990s, approximately 8,000 rural acres were subdivided for residential purposes in the unincorporated areas of Sheboygan County alone, prompting a deep concern for the future of our region’s lands and waters.

This realization prompted the founding of the Sheboygan Area Land Conservancy in 1996. Originally, this was an all volunteer organization with a goal of serving to protect and preserve natural areas and farmland within the Sheboygan Country area in Wisconsin.
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In January 2005, Glacial Lakes Conservancy (renamed in 2004), expanded its coverage area northward to Kewaunee County. This was accomplished by merging with The Rural Land Legacy Committee of Kewaunee County, an active local group dedicated to preserving farmland, natural areas, and undeveloped Lake Michigan shoreline.

Today, the land trust offers land conservation options, organizational support, and technical guidance to landowners and organizations in a five-county region: Sheboygan, Manitowoc, Kewaunee, Calumet and Fond du Lac. GLC owns five properties: William F. Christel Woods and Wetlands Preserve, Grasshopper Hill Preserve, Charles & Winifred Spring West Twin River Preserve, Willow Creek Preserve, the Hunner Preserve, and also holds 30 conservation easements.
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Executive Director Jennifer Rutten,  Land Director Miriam Duero, Land Project Coordinator Intern Ashley Muench
 and a dedicated, all-volunteer Board of Directors spearhead GLC’s land and water protection mission.

Our Founders...

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The original founders include Mike Sorenson and Kristi Pietsch-Sorenson (shown in the photo to the left), James and Jean Tobin, Lester Laack, Terrie Cooper, Beth and Gary Kiela.  

Staff

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Jennifer Rutten-Executive Director
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Miriam Duero - Land Director
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Ashley Muench - Water Conservation Intern
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David Kuckuk - GLC Volunteer Naturalist

Effective October 1, 2024
Board Officers

Volunteer Directors serve on the GLC Board and are responsible for governance, fundraising, and strategic direction. Each member of our Board brings considerable experience in support of GLC. If you are interested in serving on the board or how that process works please contact us for more information.

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Peter Pittner, President
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Richard Wirtz, Vice President
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Jeanette Wierzbach, Treasurer
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Sister Susan Seeby, Secretary

Board Members



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Cynthia Northup, Immediate Past President
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Kelly Cowhig - Oncoming Member
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Mark Mahoney
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Chris Krieg, Board Member Emeritus
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Phone: 920-273-1143 Address: 529 Ontario Ave. Sheboygan, WI 53081 Email: [email protected]

©2018 Glacial Lakes Conservancy
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  • Home
  • Who We Are
    • 2023-2024 Annual Report Snapshot
    • 2022-2023 Annual Report Snapshot
    • 2021-2022 Annual Report Snapshot
    • 2020-2021 Annual Report Snapshot
  • What We Do
  • Resources
  • Contact Us
  • Donate
  • EVENTS
    • Photos from previous events
  • Protected Properties
  • Newsletters
  • Volunteer Opportunities
  • Youth Education
  • Membership
  • GLC Event Sponsors
  • 2025 Land Trust Days
  • Plant Sale
  • Rooted in Nature 6/28 Fundraiser - Purchase Tickets Here