Our Prefect Team

Always strive for better work. Never stop

@Karen Imhof

Kindergarten Teacher

Ms. Imhof has worked at Steiner for six years. She has worked as Lead Teacher in the Middle Nursery and taught in the Kindergarten and the Parent-Child program. She received her certification in Waldorf Early Childhood Education from Sunbridge Institute. Prior to becoming a Waldorf teacher Karen studied history, philosophy and economics and worked as […]

@Rallou Hamshaw

Fine Arts Teacher

Rallou M. Hamshaw ’65 teaches painting and drawing in the Upper School. She is a member of the College of Teachers and has been a member on the Board of Trustees of Rudolf Steiner School . Rallou served as Speaker for the College for six consecutive years earlier in her career at the school. Rallou […]

@Katey Dolezal


Ms. Dolezal hails from the choral land of Minnesota, where she grew up playing piano and singing in choirs. She studied Psychology and Music at Macalester College in Saint Paul, MN. After graduation, Ms. Dolezal moved to San Marcos la Laguna, Guatemala to work at Escuela Caracol, a small Waldorf school serving local indigenous Mayan […]

@Marisha Plotnik

Math and Science, Grades 6-12

Marisha Plotnik began teaching at the Rudolf Steiner School in 1995. A graduate of the Toronto Waldorf School, she studied physics at university earning her Honours B.Sc. (Physics) and B.Ed. (Physics and Mathematics) degrees in Canada. Marisha completed her Waldorf High School Teacher Training (Mathematics) as part of the lead cohort at the Center for […]

@Jose Ferreira

Physical Education / Athletics Coordinator

Jose Ferreira is the Physical Education teacher for grades 3 through 12, coaches middle school volleyball, track and field, and our Girls Varsity Basketball team. Born in the Bronx and raised in Washington Heights, Jose has been a part of our Steiner Community since 2011, where he has served many roles including Diversity Coordinator, assistant […]

@Julia Sergeyeva

French, Upper School

Julia teaches at Rudolf Steiner School since 1992. She has a MA in Pedagogy and French Language Teaching since 1972, from the Maurice Thorez Institute of Foreign Languages, in Moscow (Russia). Email

@Jorge Martinez

Class Teacher

Class Teacher for the Class of 2028, Jorge joined the faculty of the Rudolf Steiner School in 2013. Prior to his arrival at Rudolf Steiner, Mr. Martinez worked at the Waldorf school of Aravaca in Madrid, and at the Garden City Waldorf School. He has a Masters in Linguistics Applied to the Teaching of Second […]

@Alex Yagupsky

Math and Music, Grades 6-12

New York native Alex Yagupsky teaches music and mathematics at the Rudolf Steiner School. After studying piano in Europe, he began composition lessons at Rensselaer Polytechnic Institute, where he received a B.S. in Mathematics. While working full-time as a systems analyst, he entered the Manhattan School of Music to study under David Noon. His music […]


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