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Nathan Chen
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Nathan, Co-President, is a junior at Lynbrook High School. Nathan has completed many high school math and science courses. He is a part of the Boy Scouts and also a member of the Robotics Club. In his free time, he likes to learn new topics and play games.

Rosemary Huang

Rosemary Huang, Co-President, is a junior at Menlo-Atherton High School taking advanced English, math, and history courses, as well as Mandarin and AP Biology outside of school. She teaches chemistry and has experience teaching elementary-age students in China. Also, she has danced ballet since she was four and is also on her school’s varsity badminton team. In her free time, she likes to hangout with friends, cook, and play video games.

Will Li

Will Li, Senior Advisor, co-founded Themis Horizons and served as its inaugural President.  He is a senior serving as the captain the Math Team at Saint Francis High School and has earned top scores on national math competitions such as the AMC 12 and AIME. Will has completed numerous high school science courses, and has tutored at East Palo Alto Tennis & Tutoring.  In his free time, he enjoys theater, swimming, bodybuilding, and piano.

Darrow Hartman
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Darrow Hartman, Senior Advisor, co-founded Themis Horizons.  He is a senior at the Lakeside School in Seattle. He attended La Entrada for middle school before transferring to The Nueva School. Currently, he is a part of Lakeside high school’s model UN and track team, and he is interested in computer science and math. At Lakeside, he has tutored students in Algebra and Pre-Calculus.

Alexander DeSaram
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Alexander DeSaram is a Senior Advisor to Themis Horizons and is attending UC Berkeley after graduating from Menlo-Atherton H.S. in 2022. He placed seventh in a national debate tournament and has taken eight AP classes, including European History, Computer Science, English Language, Art History, English Literature, Physics Mechanics, Calculus AB, Calculus BC. Alex is fluent in Mandarin Chinese and enjoys books, board games, animals, art, gaming, and anime in his spare time.

Hoshita Undella

Hoshita is a junior at St. Francis High School. Passionate in both Business and CS, she hopes to become a tech entrepreneur. In school, she takes part in Debate, Science Olympiad, CyberSecurity, Waterpolo, and Swimming. She is also part of robotics and has done a variety of science fair projects, garnering numerous awards in both extracurriculars.

Walden Hoodie
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Walden Hoddie is a senior at Menlo-Atherton High School. He was a National History Day county finalist and scored in the top 30 on the National Latin Exam. He has taken AP European and United States History, and his favorite subjects are chemistry, history, and English. In his spare time, he enjoys piano, clarinet, cooking, walks, and lifting weights.

Katie DeSaram
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Katie DeSaram is a junior at Menlo-Atherton High School. Katie has completed a number of high school math and science courses. She is a member of the Menlo-Atherton Varsity softball team and vice president and treasurer of her school’s Asian Culture Club, and she has been taking Mandarin Chinese since she was four. In her free time, she enjoys reading and baking.

Mateo Cuellar-Koh
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Mateo Cuellar-Koh is a sophomore at Menlo-Atherton High School. Mateo has completed many middle school and high school math and science courses. He plays on both the baseball and football teams and has experience in student government, piano, debate, and volunteering. Mateo loves to read and help others.

Yu-Ming Liu
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Yu-Ming Liu is a freshman at Gunn High School. He was placed into the highest math pathway of his middle school, completing Geometry Honors at the end of 8th grade. As a 7th grader, he was top 5.5% among all AMC 8 contestants. Outside of school, he has earned Certificate of Merit State Honors for 7 years straight for his piano skills and also enjoys Brazilian Jiu-Jitsu, video games, basketball, and reading.

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