Office Manager
Sandy Chiappino
email (sandy@flatrockbrook.org)
Sandy has kept our office running smoothly since 2006. She has an eclectic administrative background. She worked for the state of New Jersey for 25 years and since retirement has been employed as a paralegal, a floral designer and managing director of an arts group.

Accountant
Lisa Higgins

email (lisa@flatrockbrook.org)
Lisa has kept track of Flat Rock Brook’s financial records since 2005. She has a degree in accounting and an honors degree in international management. Lisa worked for nine years at a multinational company leaving to raise her family. She continues to work as an accountant on a part-time basis and currently works two days a week at Flat Rock Brook.

Development Director
Sandy Pinto
email (sandyp@flatrockbrook.org)

Sandy is responsible for all aspects of Flat Rock Brook’s fundraising efforts.  She joins us from a fifteen-year career at Audubon, where in her last role she was  Director of Strategic Partnerships.  She has considerable experience bridging non-profit and corporate/philanthropic giving sectors with a skill for raising revenue and brand awareness.

Executive Director
Stephen Wiessner
email (steve@flatrockbrook.org)
Steve is responsible for the overall management of Flat Rock Brook. He’s been the Nature Center’s director since 2006 and joined us from the Greater Newark Conservancy, where he was Program Director. He has extensive management experience and holds a Master's degree in Environmental Policy Studies from NJIT and a Bachelor's degree in Environmental and Business Economics from Rutgers University.

Land Manager
Brian Dedeian
email brian@flatrockbrook.org

Brian Dedeian is responsible for all aspects of land management.  He holds an Environmental Science bachelor’s degree from William Paterson University and has worked with Lorrimer Nature Sanctuary before joining the team at Flat Rock Brook.

Siena Stucki
Part-time Naturalist

Siena siena@flatrockbrook.org is a part-time naturalist at Flat Rock Brook.  Siena has been around Flat Rock for most of her life. She started as a camper in summer camp then became a counselor and volunteer.  She is now happy to be part of the education department staff. Siena has two Bachelor’s Degrees from Stockton University; one in Marine Science and one in  Biology.  At university, Siena was director of the Honors Program and an active member of the Quidditch Team.

Rosetta is a part-time naturalist at Flat Rock Brook as well as an environmental educator at Meadowlands Environment Center. She previously taught middle and high school biology, environmental and earth sciences for 13 years. Prior to teaching, she worked for New York City Parks & Recreation and Chicago’s Field Museum of Natural History. She earned a Bachelor’s degree in biology at Washington University in St. Louis, MO and a Master’s degree in Systematics and Ecology from the University of Kansas.

Rachel recently Flat Rock Brook as the Director of Education. She most previously served as the Director of Education for Valley Crest Farm & Preserve in Lebanon, NJ. Rachel earned her Bachelor’s Degree from Rutgers University in Human Ecology. She spent a year as an AmeriCorps Watershed Ambassador serving the Millstone River Watershed, where her love of environmental education was realized.

Rachel enjoys hiking, camping, birding and spending time with friends, family and her dog, Libby.