Katharine Fralick is a professor of education at Plymouth State University, Plymouth, New Hampshire, where she trains all of her undergraduate education students in PLT.
Julie McIntosh is an assistant professor of education at the University of Findlay, Findlay, Ohio. She teaches early childhood and high school science methods classes.
Robin Nelson is an environmental education coordinator for the Alabama Department of Education in Montgomery. She developed a secondary curriculum called Water Sourcebook.
Barbara Patterson is an instructor at Front Range Community College in Fort Collins, Colorado, where she teaches about forestry, wildlife, and natural resources using PLT.
Florie Babcock is a professor of early childhood education at Florida Southern College in Lakeland, where her students adapt PLT lessons for use with preschoolers.
Micheline Hickenbotham is an assistant professor of education at Black Hills State University, Spearfish, South Dakota. She uses PLT to teach Science and Math Methods.