Gail Gunst Heffner, Ph.D.
Director of Community Engagement
616.526.6940
616.526.6503 (fax)
gheffner@calvin.edu.
Michael Ryskamp
Program Coordinator
Plaster Creek Stewards
616.526-6496
mpr2@calvin.edu
David Warners, Ph.D.
Professor of Biology
616.526.6820
dwarners@calvin.edu


