Peninsula Chapter
For schools in the following ZIP codes:
94020-24, 94039-43, 94080-84, 94301-10
2026 Competition
Date and Location
Saturday, February 7, 2026
Verkada
406 East Third Street
San Mateo, CA 94401
Coordinators
The Peninsula Chapter Competition is being coordinated by:
Andrew Liu
liu.andrew@berkeley.edu
304-203-7363
Oliver Ni
oliver.ni@gmail.com
Moor Xu
moorxu@gmail.com
541-206-7651
Additional Contacts
If you have questions about the California MATHCOUNTS program in your area, please send a detailed email to CSPEEF Executive Director Heather Caya, at admin@cspeef.org.
If your question requires immediate assistance, please contact the National MATHCOUNTS Office at 703-684-2828 or info@mathcounts.org.
The Peninsula Chapter of MATHCOUNTS of California is sponsored by:
2025 Competition
Date and Location
Saturday, February 15, 2025
Verkada
406 East Third Street
San Mateo, CA 94401
2024 Competition
Students Advancing to State
For the Peninsula Chapter 202024, the members of the top 2 teams and the top 2 finishers NOT on an advancing team advance to the Northern California State Competition.
| Team/ Ind. |
Student | School Coach |
|---|---|---|
| Team | Ethan Bao | Bullis Charter School David Freeman |
| Team | Camea Caprita | Bullis Charter School David Freeman |
| Team | Waroon Thapanangkun | Bullis Charter School David Freeman |
| Team | Dylan Wang | Bullis Charter School David Freeman |
| Team | Helen Law | Frank S. Greene Middle School Nathan Jiang |
| Team | Matthew Lee | Frank S. Greene Middle School Nathan Jiang |
| Team | Oscar Varodayan | Frank S. Greene Middle School Nathan Jiang |
| Team | Brandon Wu | Frank S. Greene Middle School Nathan Jiang |
| Ind. | Krittika Chandra | Non-school Competitor |
| Ind. | Max Li | Non-school Competitor |
| Ind. | Aarush Rachakonda | Challenger School-Middlefield Pragna Dusankar |
2023 Competition
Students Advancing to State
For the Peninsula Chapter, the members of the top 4 teams and the top 5 finishers NOT on an advancing team advance to the Northern California State Competition.
| Team/ Ind. |
Student | School Coach |
|---|---|---|
| 1 | Easton Rodgers | Graham Middle School Yauhen Kutsuk |
| 1 | Alena Kutsuk | Graham Middle School |
| 1 | Jeremy Yu | Graham Middle School |
| 1 | Max Ulinich | Graham Middle School |
| 2 | Waroon Thapanangkun | Bullis Charter School Yuehua Xu |
| 2 | Julia Salamacha | Bullis Charter School |
| 2 | Camea Caprita | Bullis Charter School |
| 2 | Justin Cheong | Bullis Charter School |
| 3 | Duh Jonathan | Burlingame Intermediate School Allison Zigrang |
| 3 | Alex Bertelli | Burlingame Intermediate School |
| 3 | Claire Qi | Burlingame Intermediate School |
| 3 | William Sun | Burlingame Intermediate School |
| 4 | Lucas Wu | Challenger School-Middlefield Pragna Dusankar |
| 4 | Kaitlin Ye | Challenger School-Middlefield |
| 4 | Aarush Rachakonda | Challenger School-Middlefield |
| 4 | Shruti Dusankar | Challenger School-Middlefield |
| Ind | Haridas Chowdhury | Non-School Competitor |
| Ind | Krittika Chandra | Non-School Competitor |
| Ind | Neel Jindal | Blach Intermediate School |
| Ind | Michael Ma | Ellen Fletcher Middle School |
| Ind | Alex Bae | Non-School Competitor |
Donations
2026
$300 — AlphaStar Academy
$25 — Shilpa Saw
$50 — David Freeman
$15 — Anonymous
$50 — Xin Lian
$25 — Minli Li
$500 — Sweet Tea Dorminy, in honor of Patricia Li
2025
$100 — Jean Kim
$50 — David Freeman
$25 — Xia Jin
How to Donate
MATHCOUNTS of California relies on local donations to run chapter competitions. Please help us grow the appreciation of math and problem solving among California middle school students. For a donation to benefit the entire state, click here.
To donate by check, please make the check out to:
MATHCOUNTS of California
1104 Corporate Way
Sacramento, CA 95831
Please put the competition name in the memo line.
A receipt will be sent to the address on the check.
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