Katie Isaak Ginsberg — Founder, Executive Director

Ms. Ginsberg launched CELF in 2003 after she saw the need to educate young people about the links between human health, poverty, consumption, conflict and the environment.

With twenty years of experience in program design and management, marketing and business development, Ginsberg works with leading experts from around the world to bring best practices in sustainability education to K-12 educators and schools. Under Ms. Ginsberg’s directorship, CELF’s client base has grown from a start-up organization to over 2,500 schools nationwide. Today CELF programs have reached more than 8,000 teachers and 800,000 students.

Ms. Ginsberg presents at a broad range of seminars, conferences and courses on sustainability and on re-orienting education through place-based and project-based education. She was a featured presenter at the 2013 Clinton Global Initiative Annual Meeting. She served as Chair of the County Executive’s Westchester Climate Change Task Force for the education sector, which developed a blueprint to integrate sustainability across the campuses, curriculum and communities of Westchester, NY schools.  Ginsberg has a BA in Psychology from Northwestern University.

Victoria Garufi — Director of Education

As Director of Education, Vicky is responsible for guiding CELF's educator team in the planning and implementing all professional development programs. Prior to joining CELF, Vicky spent12 years at the Sarah Lawrence College Center for the Urban River at Beczak (CURB) in Yonkers. There she designed, implemented and oversaw all K-12 environmental education programs focused on the Hudson River. She provided outreach to connect school districts, community groups and Hudson River organizations to develop partnerships with CURB.

Vicky is most passionate about teaching and learning through connecting children and teachers to the environment. She has collaborated on several educational initiatives which include: the development of the Three Rivers of Yonkers curriculum designed for 4th and 5th graders in the classroom, creation of a climate change resiliency program for high school students focused on coastal implications, and support of a research grant on student assessment titled the Importance of Field trips and Cultural Awareness in Education.

Vicky holds a BS in Psychobiology from Long Island University's Southampton College and currently completing her Master of Science in the Art of Teaching from Sarah Lawrence College (expected graduation spring 2018). She is the subject area representative for environmental science through the Science Teachers Association of New York State (STANYS) and serves on the advisory board for the Regional Environmental Educators Forum. She also enjoys being a mentor to graduate students in the field of science and education.

Lisa Mechaley — Educator

As a CELF educator, Lisa collaborates with other education staff on the design, implementation and delivery of professional development programs. Prior to joining CELF, Lisa spent more than fifteen years teaching middle school science, served as education director for the Hudson Highlands Nature Museum, worked as a staff developer through Bank Street College, and developed and conducted environmental programs for Hudson Valley conservation and educational organizations.

Most recently, Lisa worked for the Hudson Highlands Land Trust, developing and presenting the River of Words program -- mixing poetry, art and watershed science -- in the region’s schools. Through personal experience, she has come to appreciate how creative writing and drawing have deepened her connection with the natural world.

Lisa holds a B.A. in Biology with an Environmental Specialization from Central Connecticut State University and an M.S. from Southern Connecticut State University in Elementary Science Education. She is on the education advisory board of Constitution Marsh Audubon Center and Sanctuary and a board member of the Putnam Highlands Audubon Society. Lisa is also a certified yoga instructor.

Holly H. Moskow — Director of Communications and Development

Holly spreads the word about CELF’s programs and supports the Executive Director on fundraising activities, working on development strategy for expansion and diversification of the organization’s funder base. Prior to joining CELF, Holly served as Executive Director and President of Sheldrake Environmental Center. She has volunteered for numerous environmental causes in her community. She completed the Westchester Master Composter and Recycler Program held at Sheldrake and has done community outreach and education on these topics. Holly held positions of increasing responsibility in marketing and brand management at Fidelity Investments, American Express and Colgate-Palmolive.

Holly holds a BA in English and communications from the University of Pennsylvania and an MBA in marketing and finance from the J.L. Kellogg Graduate School of Management at Northwestern University. She also completed the Nonprofit Leadership program at Fordham University.

Jennifer M. Sheehy — Finance Manager

Jennifer is responsible for all the financial operations of the organization including financial reporting, budgeting, compliance and risk management. Prior to joining CELF, Jennifer was the Director of Finance and Development at the Housing Development Fund in Stamford, CT where she was responsible for their loan portfolio management, financial reporting and grant writing among other duties. As the Controller of the Loan Syndication and Trading Association in New York City, Jennifer had the opportunity to bring the accounting function in house, writing the accounting policies and procedures as well as the HR manual for the organization. She also participated in the Connecticut Department of Mental Health and Addiction Services year-long Leadership Institute designed to develop future executive talent in the non-profit sector.Before entering the non-profit sector, Jennifer spent ten years in finance and operations for a large health insurance company.Jennifer is a long-time community volunteer including nine years as a member of the Junior League of Northern Westchester where she served three years on their Board of Directors.

Jennifer’s educational background includes an MBA in Finance and Statistics and Operations Research from the NYU Stern School of Business and an undergraduate degree in Economics from Yale University.