Ms. Sullivan
Math Teacher and Co-Department Chair
From: The East Bay
Teaching for: 13 Years
Hobbies: Snorkeling, Reading, and Traveling
Classes: Pre-Calculus, Advanced Math Topic
Room 300


Dan Yamamoto
Mathematics Teacher and Co-Department Chair
Classes: Algebra 1, A.P. Calculus (AB), A.P. Calculus (BC)
Location: Room 338
# of years teaching: 23 (yikes!)
Originally from: San Jose, California
Hobbies: I enjoy running, reading, singing and spending time with my family.
Addt'l info: I also teach church school to kids from 3 to 6 years old!

Mary Ann Castro
Algebra 1 and 12th grade Engineering Teacher
Academy of Engineering Co-Coordinator
Classes: Digital Electronics (PLTW3), Algebra 1 and Online Course
Location: Room 334 (2nd, 5th, 7th), 218 (3rd), and 111 (6th)
# of years teaching: 24
Originally from: Philippines
Hobbies: I enjoy cooking, gardening, and listening to music.

Alma Pajarito-Zamora
Beast Math Teacher
Classes: Algebra II and Geometry
Location: Room 340
# of years teaching: 8
Originally from: Guatemala
Hobbies: I love cooking and dancing.

Robert Pablo
Math Teacher
Classes: Pre-Calculus and Calculus
Location: 302
# of years teaching: 7
Originally from: San Francisco
Hobbies: I enjoy bicycle riding and playing soccer. My newest hobby is gardening.
Addt'l info: I sponsor the bike club. Come by 302 if you want to talk about, work on or ride bikes!

Mr. Chui
From: San Francisco, CA
Hobbies: Playing golf and the clarinet
Teaching for: 2 years
Classes: Algebra 2, Pre-Calculus H
Room: 346


Bessie Ricketts
Independent Study Program Teacher
Classes: All core curriculum subjects, grades 9-12
Location: Room 336
# of years teaching: 32
Originally from: Alabama
Hobbies: I enjoy reading science fiction books and taking "creative" walks with my two young grandaughters.


Kyle Prince

College & Career Teacher
Classes: College and Career Education
Location: Room 218
# of years teaching: 8
Originally from: Bronx, New York
Hobbies: I enjoy running, reading, and watching movies.
Addt'l info: I am also FAT Coordinator and PBIS Coordinator.

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Joel Simpson
College and Career & Computer Education Teacher
Classes: College and Career Education
Location: Room 216
Originally from: Hungton Beach, California
Hobbies: I enjoy playing the drums with my band The Hiwatters. I also enjoy riding my bicycle.
Addt'l info: Love is the answer.

Douglas Singer
A.P. Computer Science and Broadcast Media Teacher
Classes: A.P. Computer Science C.S.P. & A.M.E. Broadcast Media II
Location: Room 222
# of years teaching: Lucky 13!
Originally from: San Francisco, California
Hobbies: Composing and jamming music (I mostly play piano, guitar, bass, and drums), random walks/jogs, PS4 (especially Madden online head-to-head), cooking, & chess.


Stephanie Hanson
Algebra 1 & 2 Teacher
Classes: Algebra I & II
Location: Room 344 (1st, 3rd, 4th, 5th & 7th)
# of years teaching: 1st
Originally from: San Diego, CA
Hobbies: In my free time I enjoy doing yoga, running, camping, and reading.


Nicholas Hom
Math Teacher
Classes: Geometry and Pre-Calculus
Location: Room 342
# of years teaching: 1st
Originally from: San Francisco
Hobbies: I enjoy playing basketball and other sports on my free time. I also enjoy thinking about brain teasers/logic puzzles and playing strategic board games.