About

Leadership Team

Kari Ostrem
Head of School

Hanifa Barnes
Assistant Head of School for Strategy and Operations

Jenna King
Associate Head of School for External Affairs

James P. Duval
Associate Head of School;
Head of Lower School

Milton J. Sipp
Assistant Head of School for School Life;
Head of Middle School

Anna Hall
Head of Upper School

Emily Stone
Chief Development Officer

Jazmin Rogers
Chief of Staff


Trustees

Gwen Adolph

Bruce Beal, Jr.

David Blitzer

Edem Dzubey ’07
AAEC President

Ebby Elahi

Chloe Epstein

Renata Garcia

Kirsten Glantz

John Griffin

Anitra Hadley

Mark Hostetter ’77

Christopher James ’93

Bryan Janeczko

David Kabiller

Phillip Lee

Marc Lipschultz

Kelly Mack

Pallavi Nanda
PA President

Kari Ostrem
Head of School

Daniel Rosen ’92
Chair

Cristián Samper

Deborah Sonnenberg

Marc Sternberg

Ben Tisch

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


Hill Campus Administrative Team

Milton Sipp
Assistant Head of School
for School Life;
Head of Middle School

Anna Hall
Head of Upper School

Mike Sclafani
Assistant Head of Middle School

Julie Choi
Assistant Head of Upper School

Meg Johnson
Academic Dean

Valerie Keller
Dean of Faculty

Phyllis Dugan
Dean of School Life & Belonging

Megan Abramopaulos
Dean of Students, Grade 6

Antoinette Quarshie
Dean of Students,
Grade 7

Monika Lee
Dean of Students,
Grade 8

Eric Shear
Dean of Students,
Grade 9

Cat Crocker
Dean of Students, Grade 10

Jennie Picconi
Dean of Students,
Grade 11

Jeremy Clifford
Dean of Students,
Grade 12

Monique Fonseca
Assistant to the Head of Middle School and the Middle School Deans

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

Johnny Hager
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
Art & Design Department Chair


Athletics

John Pizzi
Director of Athletics

Katie Gendron
Assistant Director of Athletics for Coaching & Operations

Dan King
Head Athletic Trainer


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
Senior Associate Director of Communications

Mary Ludemann
Director of Community Relations

Emily Stone
Chief Development Officer

Marie Capasso
Executive Director of Development

Aviva Zablocki
Director of Alumni Engagement

Soo Mi Thompson
Annual Fund Director


Finance

Angela Lee
Director of Finance


Middle & Upper School Student Support

Jenny Buck
Director of the
Learning Research Team

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

Ron Matten
Director of Facilities

Mike McGinn
Director of Security


Technology

Jonathan King
Director of Technology

Jen Davenport
Associate Director of Administrative Systems


Transportation

Kristina Lora
Lower School Attendance and Dismissal Manager

Eula Manning
Middle & Upper School Transportation Coordinator