GreenTreks Network is powered by an excellent team of staff and volunteers. Here’s more about the people behind the organization.

Barry Lewis, Executive Director

Barry Lewis is Executive Director of GreenTreks Network, a Philadelphia-based nonprofit whose mission is moving people towards a more sustainable lifestyle by creating awareness of how individual actions impact the environment, social condition, and quality of life. A writer, editor, photographer, and video producer, Barry has developed and managed a wide range of communications initiatives, including print, television, web, and interactive museum exhibitions. Prior to joining GreenTreks, Barry was Director of Communications at the Academy of Natural Sciences.

Anita Brook Dupree, Director of Operations

Anita Brook Dupree, Director of OperationsAnita Brook Dupree is one of the nation’s leading experts in science education. Anita attended the University of Illinois and Northeastern Illinois University, and received a B. S. degree in Biology with secondary certification to teach Biology and general science. She holds a Master’s Degree in Educational Administration from Temple University in Philadelphia, and holds National Board Certification in Early Adolescent Science. She began her professional teaching career in Philadelphia, teaching in an alternative school that serviced youth living in group homes and foster care. She then moved on to the Philadelphia School District, where she spent the rest of her career. Anita was a middle school science teacher, and the science curriculum specialist for middle years for the School District of Philadelphia, Pennsylvania. As Anita herself explains, “When I retired I felt that I wasn’t done with science education, that there was just too much more to be said about the importance of a ‘science literate citizenry.’ So I have continued to work as an educational consultant, and now as a member of the GreenTreks team.”

Vaughn Shirey, Communications Coordinator

karly staff picVaughn Shirey is a Drexel University student pursuing a degree in Environmental Science. He organizes communications for GreenTreks by creating and sending out newsletters for EcoExpress and StormwaterPA, managing each project’s social media accounts, and updating this very website. In addition to his work at GreenTreks he can be found at the Academy of Natural Sciences where he works in the entomology department.  Vaughn also enjoys hiking, nature writing, design, and cooking for others


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