who we are


John Thompson

Catskill Regional Invasive Species Partnership Coordinator

John Thompson joined the Catskill Center staff as CRISP Coordinator in February 2016.  For the past twenty years John has been collaborating with scientists and land stewards throughout Southeastern New York State promoting science-based management.  John has developed partnership workplans for collaboration to build integrity and resilience in our ecological communities while establishing landscape connections. John is collaborating with partners to develop prioritized invasive species management plans; coordinating partner invasive species eradication projects for mile-a-minute and Japanese knotweed; leading training sessions on invasive species, monitoring and management, and leading education and outreach programs on invasive species, natural history and ecological management.  John coordinates with New York State Partnerships for Regional Invasive Species Management (PRISM) on statewide initiatives and initiatives across PRISM boundaries. John is currently Secretary of the Natural History Section of the Ecological Society of America, Vice-President of the John Burroughs Natural History Society Board of Directors and a Trustee of the John Burroughs Association Board of Directors. John earned an MS in Geology at University of Pennsylvania in 1995 and a BS in Environmental Conservation from the University of New Hampshire in 1989.


Dan Snider

Field Projects Manager

Dan Snider started with CRISP in 2014, working first as an intern and currently as the program's Field Projects Manager during which time he has cultivated familiarity with the common invasive species of the Catskills region. Dan has hosted more than 15 workshops and training events regarding identification and control of the common invasive species in the Catskills, targeting the public at large, Student Conservation Association volunteers, college students, and more. Dan has also hosted or participated in a number of surveys and invasive species pulls targeting species such as hemlock woolly adelgid, emerald ash borer, Japanese barberry, and the bush honeysuckles. Dan regularly advises private landowners and partner organizations on the various management strategies available to them to help control common invasive species infestations of various sizes, requiring he stay up-to-date on current best management practices. Dan also spearhead's CRISP's surveys and control of giant hogweed each year, controlling about 700 stems of giant hogweed each year. Prior to his time at CRISP, Dan worked on an invasive species control team in West Virginia, dealing notably with emerald ash borer, hemlock woolly adelgid, kudzu, stilt grass, tree of heaven, and Japanese barberry, among others. Dan held a pesticide technician license in West Virginia, and so is familiar with pesticides and their application methods.  Dan holds a BS in Ecology and Evolutionary Biology from the University of Maryland, 2012.