Student Life Staff

Sion Harrington, Dean of Students

Following two years as a high school teacher in North Carolina, Sion began his work at SAB in 2005 as an Assistant Residence Hall Director. Sion was promoted to Assistant Director of Residence Life in 2007 and again in 2008 to Director of Residence Life. In 2015, Sion was promoted to Director of Student & Residential Life and to Dean of Students in 2016.  Sion holds a Bachelor of Arts in both Spanish and Communications from Appalachian State University as well as a Master’s of Arts in Higher Education and Student Affairs from New York University.

Katy Vedder, Manager, Family and Wellness Programs

Katy joined SAB in 2011 as the School's Receptionist. In 2012, she was promoted to Family Programs Coordinator and to Manager of Family and Wellness Programs in 2016. Katy received dual Bachelor of Arts degrees in Psychology and Cinema & Cultural Studies from the State University of New York at Stony Brook. Prior to SAB, Katy has worked extensively with children in various after-school and extracurricular programs.


Eunice Omega, Assistant Director of Residence Life

Eunice joined SAB in 2016 as the Assistant Director of Residence Life. Eunice previously worked at SAB as an Assistant Residence Hall Director from 2011-2013 while obtaining her Masters in Higher Education and Student Affairs from New York University. She also holds a Bachelors Degree in English from the University of Connecticut. Before re-joining the Student Life team at SAB, Eunice worked as a Hall Director at Eastern Connecticut State University. 

Isa Braun, Residence Life Associate

Isa joined SAB in the spring of 2018. Prior to arriving at SAB, she worked with Speak About It Inc., a non-profit dedicated to educating High School and College students about healthy relationships and consent through theater. Isa holds a Bachelors Degree in Theater Studies from Emerson College in Boston, where she worked in Residence Life for three years.

Phoebe Higgins, Pilates Instructor

Phoebe returned to SAB as Pilates instructor in 2000, having been a student in the Children's Division for five years. Beginning in 1976, she studied Pilates from Romana Kryzanowska, a direct disciple of Joseph Pilates. In 1989, Phoebe co-founded Power Pilates, which now has studios and teacher-training programs across the country.

Joan Lantz, Nurse

Joan maintains office hours two days each week and is available to both resident and day students. She also works full time for Columbia University Health Service. Joan is a CPR instructor and coordinates the travel medicine program at Columbia.

Nicole Marcus, School Psychologist

Dr. Nicole Marcus is a Licensed Psychologist who meets with SAB students on an individual basis for counseling issues and conducts periodic group workshops. She received her Ph.D. in Clinical Psychology, within a specialized track for adolescent issues. Nicole also maintains a full-time private practice for adolescents and adults on the Upper West Side. She is a graduate of the LaGuardia High School of Music & Art and Performing Arts.

Heidi Skolnik, Nutritionist

Heidi is the School's nutritionist, on site every other Thursday for individual consultations with students. She also programs the Health & Nutrition bulletin board and develops special nutrition education events. In addition to her work with SAB, Heidi is the nutritionist for the Women's Sports Medicine Center. She is a contributing editor for Self and Men's Health magazines where her monthly column "Ask the Weight Loss Coach" can been found. Additionally, Heidi is the on-air contributor to ESPN2's "Cold Pizza". Heidi has Master's Degrees in both Human Nutrition and Exercise Science.

Andrea Zujko , Physical Therapist

Andrea officially joined SAB as the school's physical therapist in January 2004. Her background includes a professional career as a dancer and eight years of teaching experience as a Pilates instructor. Andrea graduated from Northwestern University in 2001 with her Doctor of Physical Therapy degree. Before moving to New York, she worked in Chicago with the Joffrey Ballet and Hubbard Street Dance Chicago. Andrea also works at Westside Dance Physical Therapy where her patients include dancers with New York City Ballet.