Leadership Team
Kari Ostrem
Head of School
Jenna King
Associate Head of School for External Affairs
Milton J. Sipp
Assistant Head of School for School Life; Head of the Middle School
Hanifa Barnes
Assistant Head of School for Strategy and Operations
James P. Duval
Associate Head of School;
Head of Lower School
Mike Velez
Head of the Upper School
Anna Hall
Chief of Organizational Learning;
Interim Dean of Faculty
Trustees
Gwen Adolph
Bruce Beal, Jr.
Edem Dzubey ’07
AAEC President
Ebby Elahi
Chloe Epstein
Renata Garcia
John Griffin
Anitra Hadley
Sandra Kim Hoffen ’83
Vice Chair
Mark Hostetter ’77
Christopher James ’93
David Kabiller
Marc Lipschultz
Kelly Mack
Pallavi Nanda
PA President
John Neuwirth
Vice Chair
Kari Ostrem
Head of School
David Rhodes
Daniel Rosen ’92
Chair
Cristián Samper
Deborah Sonnenberg
Marc Sternberg
Philip “Tod”
Waterman III ’84
Roy Weathers
Vanessa Wittman
TRUSTEES EMERITI
Michele Cohen
Ted Janulis ’77
Brad Karp
Jane Lisman Katz ’65
Peter Lehrer
Linda Lewis
Lindenbaum ’54
Tom Montag
William C.W. Mow ’55
David Roberts ’80
Harvey Schulweis
Thomas Strauss
Jeffrey Vinik ’77
David Westin
Tim Zagat, Jr. ’57
Ada Zambetti
Richard Zinman
Lower School Administrative Team
James Duval
Associate Head of School;
Head of Lower School
Natasha Schmemann
Assistant Head of Lower School,
Pre-K-Grade 2
Ellen Greengrass
Assistant Head of Lower School,
Grades 3-5
Tim Sacks
Lower School Dean
Demetra Caldwell
Lower School Director of Community Engagement
Frances Garcia
Assistant to the Head of Lower School
Barry Sherman
Lower School Administrative Assistant
Middle School Administrative Team
Milton Sipp
Assistant Head of School
for School Life;
Head of Middle School
Mike Sclafani
Assistant Head of Middle School
Megan Abramopaulos
Dean of Students,
Grade 6
Antoinette Quarshie
Dean of Students,
Grade 7
Monika Le
Dean of Students,
Grade 8
Monique Fonseca
Assistant to the Head of School and the Middle School Deans
Upper School Administration Team
Mike Velez
Head of Upper School
Julie Choi
Assistant Head of Upper School
Anna Hall
Chief of Organizational Learning;
Interim Dean of Faculty
Cat Crocker
Dean of Students,
Grade 9
Jennie Picconi
Dean of Students,
Grade 10
Jeremy Clifford
Dean of Students,
Grade 11
Manisha Doran
Assistant Dean of Students,
Grade 12
Meg Johnson
Dean of Students,
Grade 12
James Murray
Assistant to the Upper School Deans
Academic Department Chairs
Andrew Abate
Computer Science Department Chair
Melissa Miness
English Department Chair
Christina Young
Director of Counseling & Health Education;
Health Department Chair
Laura Honsberger
History Department Chair
Deborah Aschkenes
Interdisciplinary Studies Coordinator
Valerie Keller
Language Department Chair
Anne Nadecki
Math Department Chair
Eva Leon Nathanson
Music Department Chair
Roberta MacIvor
Physical Education Department Chair
Shabari Lasrado
Science Department Chair
Lexie Frare
Theater, Dance & Film Department Chair
Jason Ruff
Visual Arts Department Chair
Athletics
Katie Gendron
Assistant Director of Athletics for
Coaching and Operations
John Pizzi
Director of Athletics
Dan King
Head Athletic Trainer
DEIB on the Hill (Middle & Upper School)
Phyllis Dugan
Director of Diversity Equity,
Inclusion and Belonging
Ciara Everett
Assistant Director of Community Engagement
External Affairs
Jenna King
Associate Head of School for External Affairs
Maia Shulman
Director of Lower School Admission
Tracy Dansker
Director of Middle and Upper School Admission
JP Jacquet
Director of Financial Aid;
Assistant Director of Middle
and Upper School Admission
Chloë May
Assistant Director of Communications
Mary Ludemann
Director of Community Relations
Finance
Sonny Collado
Co-Controller
Learning Research Team
Jenny Buck
Co-Director of the
Learning Research Team
Candy Anderson
Co-Director of the
Learning Research Team
Middle & Upper School Counseling
Christina Young
Director of Counseling & Health Education;
Health Department Chair
Parents Association
Pallavi Nanda
President of Parents Association
School Store
Frances Aybar
School Store Manager;
Purchasing/ Receiving Agent
Security & Facilities
Service Learning
Rachel Klein
Director of Service Learning
Technology
Jonathan King
Director of Technology
Jen Davenport
Associate Director of Administrative Systems
Transportation
Marcia Siper
Lower School Attendance and Dismissal Manager
Eula Manning
Middle & Upper School Transportation Coordinator