Staff Bios

Academic Affairs

Jeff Buscher

Principal &

Middle and Upper School (MUS)

Academic Director

Michelle Brennan

Elementary Academic Director

Dr. Tia Kimball

K~12 Curriculum Coordinator

Walker Chen

Academic Coordinator

& Registrar

David Lauchmen

Student Support Team (SST) Coordinator

& Football Coach

Alice Chen

Student & Academic Affairs Associate

Student Affairs

Mark Vickers

Dean of Students

Alicia Chuang

Director of Student Affairs

Sarah Chuang

Athletics & Activity (Lab & ECs) Coordinator

and Student Affairs Associate

Sharlin Chan

School Nurse

Jessica Hu

Social Emotional Counselor

Alice Chen

Student & Academic Affairs Associate

Administrative Affairs

Daniel Lu

Marketing Associate

Doris Chen

Executive Assistant
& Alumni Association Coordinator

College Counseling

Amanda Huang

College Counselor

Njeri Allen

College Counselor

Admissions, Parent Services
and Human Resources

Sara Huang

Parent Services

& Human Resources Associate

Camila Pan

Parent Services Associate

Jasmine Kang

Admissions Associate

Lisa Ji

Human Resources Associate

General Affairs

Nunu Sun

Director of General Affairs

Yean Huang

General Affairs Staff

Jrshiang Huang

Head Chef

Alin Lee

Chef

Josh Lin

Chef

Lisa Wu

Chef

Information Services

David Toyne

Data Manager / Tech Coach

Eric Hsiung

IT Coordinator

Library

Daphne Wang

Librarian

Heads of Department (HODs)

Michelle Brennan

Elementary Academic Director

Mark Vickers

Head of Social Studies

Gustavo Leppe

Head of English

Lin Yeh

Head of Mathmetics

Dr. Kashif Majeed

Head of Science

Mark Dozier

Head of EAL

Liliana Torres

Head of World Languages

David Toyne

Head of Computer Science

Afra Su

Head of M.A.D.D.

(Music, Art, Drama, and Dance)

Kindergarten

Sydney Lee

Kindergarten 1-2

Homeroom Teacher

Christa Barker

Kindergarten 3

Homeroom Teacher

Tina Lin

Kindergarten 1-2

Teacher Associate

Loria Hsieh

Kindergarten 3

Teacher Associate

First Program

Delicia Engle

Grade 1 Homeroom Teacher

Colm Cosgrove

Grade 2 Homeroom Teacher

Jenny Lee

Grade 3 Homeroom Teacher

John Paul Chillingworth

Grade 4 Homeroom Teacher

Lorenzo Andrade

Grade 5 Homeroom Teacher

Teacher Associates

Tina Lin

Kindergarten 1~2 TA

Loria Hsieh

Kindergarten 3 TA

Ling-Yen Tseng

Grade 1 TA

Elle Lee

Grade 2 TA

Riley Feng

Grade 3 TA

Ruby Sun

Grade 4 TA

Esther Huang

Grade 5 TA

English

Gustavo Leppe

Head of Department

& English Teacher

Dr. Alexander Fishman

English Teacher

Teaira Buchanan

English Teacher

Bill Ralbovsky

English Teacher

Dave Vaughan

English Teacher

Dr. Grace Garcia

English Teacher

Dr. Tia Kimball

English Teacher

Mathematics

Lin Yeh

Director of Department

& Mathematics Teacher

William Ma

Mathematics Teacher

Alberto R. Perez

Mathematics Teacher

Levi Munoz

Mathematics Teacher

Science

Dr. Kashif Majeed

Head of Department

& Science Teacher

Fredi Francis Cheruvathoor

Science Teacher

Nicholas Jimenez

Science Teacher

Social Studies/Social Science

Mark Vickers

Head of Department &

Social Studies Teacher

Daniel Lockyer

Social Studies Teacher

Richard (Shandy) Booth

Social Studies Teacher

Daniel Thomas Scalberg

Social Studies Teacher

Dave Vaughan

Social Studies Teacher

World Languages

Liliana Torres

Head of Department

& Spanish Teacher

Kad Bellahouel

French Teacher

Mina Lai

Chinese Teacher

Angela Huang

Chinese Teacher

Teresa Lin

Chinese Teacher

Joey Hunag

Chinese Teacher (Part-Time)

Computer Science

David Toyne

Head of Department,

Computer Science Teacher,

and Tech Coach

Candido (Dudz) Castro

Computer Science Teacher

Julio Macrohon

Computer Science Teacher

English as Additional
Language (EAL)

Mark Dozier

Head of Department

& EAL Teacher

Elizabeth Butterfield

EAL Teacher

Teaira Buchanan

English & EAL Teacher

Grace Garcia

EAL Teacher

Yolanda Reny

EAL Teacher

MADD -
Music, Art, Drama, and Dance

Afra Su

Head of Department

& Music Teacher

Fay Schievelbein

Art Teacher

George Leutermann

Drama Teacher

Serdar Kurbanov

Dance & Physical Education Teacher

Physical Education

Shane Blanchard

Physical Education Teacher

Toby Xiong

Physical Education Teacher

Serdar Kurbanov

Dance Teacher &

Kindergarten Physical Education Teacher

Nunu Sun serves as the Director of General Affairs at HCAS, a role integral to the seamless operation and administration of our school. With meticulous attention to detail and an unwavering commitment to excellence, she oversees the procurement of essential school supplies, ensuring that both educators and students have the resources they need to thrive.

Her responsibilities extend to managing school bus operations, coordinating schedules, and ensuring the safe and efficient transportation of our students. Additionally, she is responsible for overseeing monthly transaction costs, maintaining a keen eye on the financial aspects that contribute to the smooth running of the institution.

Nunu’s multifaceted role encompasses a variety of duties that are vital to the daily functionality and long-term success of HCAS. Her dedication and expertise help create an environment where education can flourish, allowing our school to operate with the utmost efficiency and effectiveness.