Staff Bios

Academic Affairs

Jeff Buscher

Principal

& Academic Director of Middle and Upper School

Nathan Bryant

Assistant Principal

& Academic Director of Elementary School

Walker Chen

Academic Coordinator

& Registrar

David Lauchmen

Special Educator

& Football Coach

Student Affairs

Mark Vickers

Dean of Students

Alicia Chuang

Director of Student Affairs

Sarah Chuang

Athletics Coordinator

and Activity Associate

Sharlin Chan

Nurse

Jessica Hu

Social Emotional Counselor

Daphne Wang

Student & Academic Affairs Associate

Administrative Affairs

Daniel Lu

Marketing Associate

& Executive Assistant

Christine Wu

Office Support & Cashier
& Board Executive Assistant

College Counseling

Taye Kamara

College Counselor

Sherry Wen

College Counselor

Amanda Huang

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

Yolanda Reny

Librarian & EAL Teacher

Majo Walter

Librarian & EAL Teacher

Heads of Department (HODs)

Nathan Bryant

Academic Director of Elementary School

Mark Vickers

Head of Social Studies

David Vaughan

Head of English

William Ma

Head of Mathmetics

Garima Pandey

Head of Science

Mark Dozier

Head of EAL

Mina Lai

Head of World Languages

David Toyne

Head of Computer Science

Afra Su

Head of M.A.D.D.

(Music, Art, Drama, and Dance)

Kindergarten

Christa Barker

Kindergarten 3

Homeroom Teacher

Loria Hsieh

Kindergarten 3

Teacher Associate

First Program

Delicia Engle

Grade 1 Homeroom Teacher

Sydney Lee

Grade 1-B Homeroom Teacher

Colm Cosgrove

Grade 2 Homeroom Teacher

Jane Wong

Grade 3 Homeroom Teacher

John Paul Chillingworth

Grade 4 Homeroom Teacher

Lorenzo Andrade

Grade 5 Homeroom Teacher

Teacher Associate

Loria Hsieh

Kindergarten 3 TA

Ling-Yen Tseng

Grade 1 TA

Elle Lee

Grade 1-B TA

Riley Feng

Grade 2 TA

Angela Huang

Grade 3 TA

Mengo Lee

Grade 4 TA

Tina Lin

Grade 5 TA

English

Dave Vaughan

Head of Department

& English Teacher

Alexander Fishman

English Teacher

Gustavo Leppe

English Teacher

Bill Ralbovsky

English Teacher

Grace Garcia

English Teacher

Mathematics

William Ma

Director of Department

& Mathematics Teacher

Lin Yeh

Mathematics Teacher

Siew Ming ( Joanna ) Lim

Mathematics Teacher

Alberto R. Perez

Mathematics Teacher

Science

Garima Pandey

Head of Department

and Science Teacher

Nicholas Jimenez

Science Teacher

Fredi Francis Cheruvathoor

Science Teacher

Lim Siew Ming (Joanna)

Science Teacher

Social Studies/Social Science

Mark Vickers

Head of Department and Social Studies Teacher

Daniel Thomas Scalberg

Social Studies Teacher

Richard (Shandy) Booth

Social Studies Teacher

Daniel Lockyer

Social Studies Teacher

World Languages

Mina Lai

Head of Department

and Chinese Teacher

Connie Fan

Chinese Teacher

Jenny Chang

Chinese Teacher

Joey Huang

Chinese Teacher (Part-time)

Liliana Torres

Spanish Teacher

Kad Bellahouel

French Teacher

Computer Science

David Toyne

Head of Department,

Computer Science Teacher,

and Tech Coach

Candido (Dudz) Castro

Computer Science Teacher

Julio Macrohon

Computer Science Teacher

EAL

Mark Dozier

Head of Department

& EAL Teacher

Yolanda Reny

Librarian & EAL Teacher

Wyndel Cohitmingao

EAL Teacher

Grace Garcia

EAL Teacher

MADD -
Music, Art, Drama,
and Dance

Afra Su

Head of Department

& Music Teacher

Tamas Szvet

Art Teacher

Serdar Kurbanov

Dance & Physical Education Teacher

George Leutermann

Drama Teacher

Physical Education

Shane Blanchard

Physical Education Teacher

Serdar Kurbanov

Dance & Physical Education Teacher

Toby Xiong

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.