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Rivers Unlimited

Founded in 1972

515 Wyoming Ave
Cincinnati, OH 45215
Phone: 513.761.4003
Fax: 513.761.4988
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Rivers Unlimited Staff and Board



staff photoNathan Holscher

Position: Project Director

Bio: Nathan Holscher has been with Rivers Unlimmited since the spring of 2005. In September 2007 he was elected to the Board of Supervisors of the Hamilton County Soil and Water Conservation District and is also an active member of the Friends of the Great Miami. He graduated with a bachelor's degree from Earlham College in 2004.


staff photoStephanie Ross

Position: Trustee

Bio: An avid paddler, cyclist and adventure racer, Stephanie practices workers' compensation law in northern Kentucky. Besides serving as resident expert on the laws that pertain to our rivers, she organizes RU's annual paddling event, the Fremont Cup.


staff photoSusan Knight

Position: President

Bio: Susan is a long-time environmental advocate on both local and national stages. Currently, she is the National Field Coordinator for the Blue Green Alliance, a formal parternship between the Sierra Club and the United Steel Workers.


staff photoKen Lammmers

Position: Trustee

Bio: Ken is retired from the U.S. Fish and Wildlife Service. In addition to bringing valuable technical expertise and experience to the Board, he also helps the organization maintain an active presence in Columbus.


staff photoTom Quinn

Position: Trustee

Bio: Tom is a retired environmental engineer specializing in the administration of wastewater treatment and sewer systems. He served as Director of Cincinnati's MSD from 1992-98, creating the agency's first strategic plan and bringing it in compliance with the Clean Water Act.


staff photoSteve Johns

Position: Trustee

Bio: Steve is Executive Director of Citizens for Civic Renewal and brings his urban planning perspective and superior organizational skills to the Board.


staff photoAaron Rourke

Position: Trustee

Bio: Trained in geology and employed in industrial hygiene, Aaron's scientific knowledge and analytical skills are invaluable during Board problem-solving and brainstorming sessions. Aaron spearheads RU's Adopt-a-Stream program.


staff photoHeather Mayfield

Position: Trustee

Bio: Heather is Program Director for the ORSANCO Educational Foundation and is on the planning committee for Paddlefest, where she runs the education exhibition. The Board has called on her talents as a designer in the production of various publications.