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Our Staff

Our Staff

Stephanie Prellwitz

Stephanie Prellwitz, Executive Director

Stephanie has worked for the Green Lake Association since February 2013. She holds a Master of Science in Biological Systems Engineering from UW-Madison and a Bachelor of Science in Biosystems and Agricultural Engineering with an emphasis in Water Resources from the University of Kentucky. Her professional background includes technical and environmental experience including engineering, academic wetland research, field data collection and analysis, environmental education materials design, community programming and outreach development.

When she isn’t working at her family produce farm, she enjoys gardening and being outdoors.

Contact Stephanie:


Josh Schubring, Development Manager

Josh joined the Green Lake Association in May 2018 as Development Manager. He attended Ripon College where he received a Bachelor of Arts degree in Business Management with emphases in Environmental Leadership and Economics. While attending Ripon College, he participated in many organizations including Ducks Unlimited, Pep Band, Symphonic Wind Ensemble, as well as a variety of political organizations. His experiences have developed a strong love for the environment such as summers spent at his family’s cabin in Northern Wisconsin, his journey from a Cub Scout to an Eagle Scout, and starting his own Ducks Unlimited Chapter.

When he is not in the office, Josh spends his time going to local concerts, performing in the Ripon College Wind Ensemble, and enjoying his time in nature.

Contact Josh:


Jennifer Fjelsted, Communication & Project Manager

Jennifer joined the Green Lake Association in January 2019 as the Communication and Project Manager. She holds two Bachelor of Science degrees in Biology and General Science, and a Master’s in Environmental Studies from Virginia Commonwealth University in Richmond, Virginia.

While at VCU she taught undergraduate biology labs as an adjunct professor, conducted research on amphibian development and worked as an administrative assistant and undergraduate advisor. She also volunteered with many organizations including the Chesapeake Bay Foundation, James River Association and The Nature Conservancy.

Upon returning to her home state of Wisconsin she worked as an aquatic invasive species technician and coordinated/participated in many environmental outreach events to help teach others about the importance of keeping Wisconsin’s waterways clean. With her education in science, her love of teaching and her experience in outreach, Jennifer is excited to be a part of the Green Lake Association’s mission to keep Green Lake healthy and clean.

When she isn’t in the office Jennifer spends her time reading, volunteering, tutoring and mentoring students, and traveling to new places.

Contact Jennifer: