ISM Staff Directory

Academic Year 2025-2026

Administration

Michel Nachar

Deputy Director K-12
mnachar@ism-sabis.net 

Tony Tannous

Dean of Students
ttannous@ism-sabis.net

Melanie Gilles

ECE Coordinator
Family Liaison
mgilles@ism-sabis.net 

Brian Nagle

Student Management Coordinator (SMC)
bnagle@ism-sabis.net

Zach Cohen

Director of College Counseling
zcohen@ism-sabis.net

Sarah Bianucci

Student Life Coordinator (SLC)
sbianucci@ism-sabis.net


Admissions & Enrollment Manager

Kimberlee Brandt

Admissions Specialist
kbrandt@ism-sabis.net

John Mangold

Athletics & Activities Coordinator
jmangold@ism-sabis.net

Athletics & Activities Director

Eugene Glukh

Registrar
Exam Coordinator (K-8)
eglukh@ism-sabis.net 

Chandha Duwearatchi

Business Manager
cduwearatchi@ism-sabis.net

Taylor Cao

Front Desk Coordinator
tcao@ism-sabis.net

Kaitlyn Palmer

Exam Officer (9-12)
AP Coordinator
kpalmer@ism-sabis.net

Brian Mozey

Marketing & Comm. Manager
bmozey@ism-sabis.net

Erica Landers

Hopkins/ISM School Counselor 
schoolcounselor@ism-sabis.net

Patricia Suarez

International Student Coordinator 
psuarez@ism-sabis.net

Sara Reich

Librarian
sreich@ism-sabis.net

Amy Frazzini

Health Office Para
healthoffice@ism-sabis.net

Barbara Bertomeu

Health Office Para
healthoffice@ism-sabis.net

Head of Departments​

Janet Mahr

H.O.D. Math

Dr. David Hadbawnik

H.O.D. English

Will Brannon

H.O.D. Social Studies

Omar Zouhairy

H.O.D. Science

Sophie Perrin-Smith

H.O.D. French

Patricia Suarez

H.O.D. Spanish

Early Childhood Education

Katie Butters

Preschool 
Teaching Assistant

Tara Dewars

Preschool 
Teacher

Olivia Gredler

Pre-K A 
Teaching Assistant

Syrine Mosbahi

Pre-K A 
Teacher

Sylvia Gonsalves

Pre-K B 
Teaching Assistant

Kaitlyn Manning

Pre-K B 
Teacher

Lower School (Grades K-5)

Mindy Glup

Kindergarten B 
Teacher

Danielle Wishard

Kindergarten A
Teacher

Emily Grossman

Grade 1 
Teacher

Janet Clausing

Kindergarten A/B 
Teaching Assistant

Jessica Student

Grade 3-5
Math Teacher

Amy Nichols

Grade 2
Teacher

Sheila LaCroix

Grade 3-5
Science & Social Studies Teacher

Marianne Pumilia

Grade 3-5
English Teacher

Upper School (Grades 6-12)

Dr. Tina Zigon

English 
Grades 9-11​
AP English Lang. & Comp.
AP English Lit. & Comp.

Matt Doyle

English
Grades 6-8
English Intensive Gr. 9

Grant Goodman

Math
Integrated Math (IM) I
AP Statistics
AP Calc AB / AP Calc BC

Greg Willkomm

Math
Algebra Grade 7
Mathematics Grade 8
Intergrated Math (IM) III

Math STudeies Grade 12

Will Brannon

Social Studies
US History / World History
AP US Government
AP Human Geography

Vinton Geistfeld

Math
Integrated Math (IM) II
AP Calculus AB
Post AP

Dr. Chase Fehr

Science
Grade 8
AP Chemistry / General Chem
Biology / Adv. Biology


Mike Bernstein

Social Studies
Civics & Government
AP Microeconomics
US History / Geography

Preston Finger

Science/Math 
Math Grade 6
General Physics / Adv. Physics
AP Physics E & M

John Compton

Science
Grade 6-7
AP Environmental Science
AP Biology / AP Psychology

Specialists (PS-12)

Jackson Lee

Music
Band/Choir 

PJ Mack

Art (1-12)
Ceramics

Preeti Devaraj

Computer Science

John Mangold

Physical Education
Swimming (PS-3)

Isaiah Gehlen

Swimming (PS-3)
Strength & Conditioning

World Language

Sophie Perrin-Smith

French
KG, Grades 3-5
Grades 9-12

Patricia Suarez

Spanish
ECE, Grades 4-5
Level 1 (Gr. 6-8)
Course 1-2 (Gr. 9-12)

Catherine Marble

French
ECE, Grades 1-2
Grades 6-8

Sandra Sanchez

Spanish
KG, Grades 1, 3-5
Level 2 (Gr. 6-8)
Course 4 (Gr. 9-12)

Maria Blanco

Spanish
ECE, Grade 2
Level 3 (Gr. 6-8)
Course 3 (Gr. 9-12)

Facilities

Trish DeLude

Sous Chef

Ted Norris

Executive Chef

Baovy Haong

ISM Dining Hall Server

Ehku Thay

ISM Dining Hall Server

Joel Reinitz

Maintenance
Facilities Custodian

Trent Mahr

Facilities Manager

Mu Law Kaw

Facilities Custodian

Joe Kopet

Facilities Custodian

Noah Bruce

Lead Dorm Parent

Todd Nikolai

Facilities Custodian

Sandra Sanchez

Dorm Staff

Benjamin Glukh

Dorm Staff