Defne Caldwell


BA, Literature, Boston University; MA, Teaching, Fairleigh Dickinson University

Before joining the Green Meadow faculty full-time in 2006, Defne taught English and humanities for six years at Ramapo Indian Hills High School in Franklin Lakes, NJ.  She also taught literature, college writing, and creative writing courses at Ramapo College in Mahwah, NJ. Defne completed independent Foundation Studies under Signe Schaefer at Sunbridge College and is a certified high school English teacher.

Defne is the High School Chair and English Department Chair. She teaches high school English and drama, and was co-advisor to the Class of 2015. She serves on the Collegium, the Curriculum Development Committee, and the Social Health Committee. Her older daughter graduated with the GMWS Class of 2016, and her younger daughter attended Green Meadow through 8th Grade.  

Alix Christofides


BS, Art History/Design/Film, Empire State College, NY; MAT, English, Manhattanville College

Alix has taken courses and training through Sunbridge College, Bard College, NYSAIS (the NY State Association of Independent Schools), and AWSNA (the Association of Waldorf Schools of North America) and is certified to teach art and English in New York and New Jersey.

Alix has taught English and reading in Grades 3-12 at GMWS. She also has the great privilege of teaching high school art history and architecture. Alix was a co-advisor for three classes. She has been teaching at Green Meadow since 1998 and is the parent of two GMWS alumni.

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Christian Davis


BA, American Studies, Eckerd College; Waldorf Teacher Certification, Sunbridge Institute; Master's degree, Liberal Studies, City University of New York

Christian teaches high school history and co-advises the class of 2017. For 12 years before coming to Green Meadow, Christian worked to develop the Suncoast Waldorf School in Florida, as the lead teacher for the first graduating class. In this pioneer school, he had an opportunity to teach many subjects but found his passion in teaching history.

Previously, Christian had worked as a counselor for at-risk youth and troubled adults at the anthroposophically inspired Gheel House. He studied permaculture in Hawaii and even traveled with the circus. In his spare time, Christian enjoys playing and building fine mandolins. His eldest son attends Green Meadow.

Harlan Gilbert


Harlan's undergraduate education in mathematics and natural science took place at Yale University and Reed College. He received his Waldorf teaching certificate from Emerson College, England, his Master's in Education from Sunbridge College, and his PhD in Transformative Studies from the California Institute of Integral Studies. Along the way, he also studied eurythmy for three years at the Eurythmeum Zuccoli in Dornach, Switzerland.

Harlan serves on the schoolwide Math Curriculum Committee. Several of his articles, including "Rhythm in Nature," have been published in Lilipoh, in the Waldorf Education Research Institute Bulletin, and in Golden Blade yearbooks. Harlan's book, At the Source: the Incarnation of the Child and the Development of a Modern Pedagogy, was published by AWSNA Press in 2005.

Harlan has been teaching at Green Meadow since 2002. One of his sons graduated with the GMWS Class of 2016, and his younger son is in High School.

Lisa Krogh


MS Education, Niagara University; Honors BMath Computer Science, University of Waterloo; Foundations of Anthroposophy & Certificate for Waldorf High School Teaching, Center for Anthroposophy

Lisa began her professional journey after achieving her honors bachelor of mathematics degree in computer science at the University of Waterloo. She designed and developed business computer systems for corporations while living in Canada, Europe, and the United States, eventually launching her own consulting practice.

While raising her three children, she entered the world of Early Childhood Development and attained her MSc in Education from Niagara University. She taught at Montessori, public, and private schools before beginning her journey into Waldorf Education. Lisa began Waldorf teaching as the Third Grade class teacher at the Aurora Waldorf School in West Falls, NY, and taught middle school and high school mathematics and life science for five years at the Emerson Waldorf School in Chapel Hill, NC. Her son is at university, her elder daughter graduated with the GMWS Class of 2016, and her younger daughter attends Green Meadow.

Jeana Lee


BA, Chemistry, Smith College; Waldorf Teacher Certification, Center for Anthroposophy, Wilton, NH

Jeana taught in the Geography Department at the University of Colorado-Boulder before beginning Waldorf teacher training in 2012. She served as a guest teacher at both Shining Mountain Waldorf School and Tara Performing Arts High School in Boulder, CO. Previously, she worked in environmental science and data management.

Jeana is an avid hiker and enjoys the alchemy of cooking.

David Lowenthal

English as a New Language (ENL)

BA, Psychology, SUNY Buffalo; MAT, ESL, Fairleigh Dickinson University

David retired from teaching ENL at Ramapo High School after 32 years. He was also an adjunct professor at Bergen Community College for over 15 years. David enjoys martial arts movies and practices Tai Chi. His two children are Green Meadow graduates. 

Patrick McCarthy-Nielsen


BA, St. John's College; MS, Education, Sunbridge College and the University of Illinois

Since 2004, Patrick has worked as a tutor and instructor for English writing and for SAT/ACT/GRE test preparation. He first came to Chestnut Ridge in 2006 to join the full-time Waldorf teacher training program at Sunbridge College. In 2015, he returned to Chestnut Ridge with his wife, Ashlee, to join the Green Meadow faculty.

Joanne Monteleone

HIGH SCHOOL guidance

BA, Therapeutic Recreation, Theatre, San Francisco State University; MA, Educational Theatre, Emerson College, Boston; MS, School Counseling, Long Island University

Joanne has worked as a counselor, theater director, drama teacher, and recreation therapist for the past 24 years. She began her career in San Francisco, working as a recreation therapist in both educational and clinical settings with various populations, including youth at risk, brain-injured patients, and AIDS patients. Her work in the theater includes both professional and academic directing credits, and she also worked as an adjunct professor of drama. She has also worked as an assistant editor on Youth Theatre Journal and has co-authored drama education curricula.

Joanne received her Master's degree in School Counseling in May 2010. She is an active member of the National Association for College Admission Counseling (NACAC) and the Westchester, Putnam, Rockland County Guidance Counselor Association (WPRCA). She is the chair of the Green Meadow Drug and Alcohol Committee and oversees senior internships and senior projects, in addition to continuing her study of anthroposophy.

Angela Nusbaum


BA, St. John's College, Santa Fe, NM

Angela has taught high school English and history at the San Francisco and Chicago Waldorf schools. Previously, she worked with young adults at Job Corps, teaching math, and led interdisciplinary seminars for grades 6-12 in Anchorage, AK. She has two children at Green Meadow.

Maskit Ronen


BS, Environmental Biology, Columbia University; BS, Management and Computer Science, Open University, Tel Aviv, Israel

Maskit received her teacher training in the Israeli Defense Force, where she taught in a prestigious programming course. She completed Foundation Studies in Anthroposophy at Sunbridge College and was part of the fifth cycle of the Applied Arts Program at the Fiber Crafts Studio.

Maskit teaches earth science and life science in the high school and serves on the Social Responsibility Committee and the Diversity and Inclusion Committee. She enjoys doing handwork, strives to live holistically, and is interested in herbal medicine. Maskit's four children attend the school.

Jim Rowe

Mathematics and Physics

BA, Chemistry, Williams College; Current student in Waldorf High School Teacher Training, Antioch University New England, Wilton, NH

Jim taught physics, chemistry, and math at The Marymount School in New York City, where he was also the softball coach and the founder of the production set design club. In 2007, Jim opened a bar and restaurant in Brooklyn, which is still in operation. He has tutored middle school, high school, and college students extensively since 2003 for academic physics, chemistry, and math, as well as SAT subject tests, AP exams, and the SAT.