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Our instructors are award-winners in prestigious competitions such as the National Science Bowl, NorCal State Science Olympiad, Synopsys Science Fair, and the California State Science Fair. Instructors also include national semifinalists of the USA Physics Olympiad, Biology Olympiad, Chemistry Olympiad, Artificial Intelligence Olympiad, and Astronomy Olympiad.

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ISAIAH SIT

Instructor

Isaiah is a graduating senior at Lynbrook High School. For two years he has placed in the top 40 in the USA Earth Science Olympiad and has been selected to attend the USA Earth Science Olympiad Training Camp. As part of the Lynbrook Science Olympiad team, he has consistently medaled in earth science events like Ecology, Dynamic Planet, and Geologic Mapping in the Science Olympiad State Competitions. Isaiah is the captain of the Lynbrook National Ocean Sciences Bowl team, which won first place at the Northern California Sea Lion Bowl in 2024 and 2025.  Isaiah is also passionate about the life sciences, and is a two-time USABO semifinalist. Additionally, Isaish won 1st place at his school’s Geography Bee competition for 2 consecutive years and participated at National Geobee State Competition before Geobee was discontinued in 2020.

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CLAIRE SHAO

Instructor

Claire Shao is an incoming senior at Lynbrook High School. She has been very passionate about science and research, specifically biology and computer science. Claire participated in the Science Olympiad since 7th grade, and consistently medaled in biology events, like Anatomy and Physiology. She also won the honor roll in 2026 USA AI Olympiad (USAAIO). Additionally, her research work has earned various recognitions.  

 

In her free time outside of academics, Claire enjoys drawing and dancing. She is a competitive dancer and has received various national-level dance awards.

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NATHANIEL NA

Instructor

Nathaniel Na is an incoming senior at Lynbrook High School. He is passionate about physics, music, and programming. He has been a member of the Science Olympiad since 7th grade. Through his two-year involvement in the Science Olympiad, he has competed in Bio Process Lab, Crave the Wave, Road Scholar, Sounds of Music, and Wheeled Vehicle. In April 2023, he ranked 1st in Crave the Wave, 2nd in Sounds of Music, 4th in Road Scholar, and 4th in Wheeled Vehicle at the NorCal State Finals.

 

In his free time, Nathaniel enjoys playing the guitar, listening to music, sleeping, and eating desserts.

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NATALIE ZHANG

Instructor

Natalie Zhang is an incoming junior at Valley Christian High School with a strong passion for STEM, especially robotics and mathematics. She has several years of experience in VEX Robotics, where she has developed skills in engineering, programming, and collaboration, and was part of the team that won a national championship at UC Berkeley. To further pursue her interest in mathematics, Natalie also participates in math team, scored in the top 2.5% nationally on the AMC 10, and received the Two Sigma AMC Certificate of Excellence from the Mathematical Association of America.

 

Outside of academics, Natalie enjoys drawing, graphic design, collecting figurines, and building independent engineering projects. She also teaches robotics to younger students through workshops and mentoring to help increase interest in STEM and engineering.

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BRADEN YANG

Instructor

Braden is a rising sophomore at The Nueva School with a strong passion for science and research. Since 7th grade, he has pursued independent research across multiple scientific areas. His work has earned various recognitions, including the Grand Prize for the top biological science project at his local science fair and selection as a Top 300 semifinalist in the Thermo Fisher JIC. This year, his research project was also awarded first place in his category at the California Science & Engineering Fair.

 

Beyond science, Braden enjoys playing competitive soccer and participating in Public Forum debate, where he continues to develop his teamwork, communication, and critical thinking skills.

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LUCAS ZHANG

Instructor

Lucas is an incoming sophomore at The Harker School with academic interests spanning computer science, linguistics, and artificial intelligence. He enjoys exploring technology, especially through programming and analytical problem solving. Lucas has competed in the USA Computing Olympiad, where he reached the Gold division. He also earned a Gold Medal in the United States of America Artificial Intelligence Olympiad. In addition, he received first place in his category at the California Science & Engineering Fair for his research project.

 

Outside of academics, Lucas enjoys reading fiction, sleeping (especially), and eating anything sweet.

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VIHAAN DOSHI

Instructor

Vihaan Doshi is currently an incoming senior at Irvington High School. He has had a passion for STEM from an early age and continues to explore it through various projects and competitions. As a member of FTC Team 19862, he contributed to the team’s success in winning the NorCal Regionals last year. In 2024, he was also recognized as a NorCal Hacks Track Winner and created an innovative project to help people with bad posture at BlueStamp Engineering. Vihaan is also familiar with Python and HTML, with additional knowledge in creating VR games using Unity.

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Outside of academics, Vihaan plays the piano and enjoys solving a wide variety of Rubik’s cubes.

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William Lv

Instructor

William Lv is a rising 11th grader at The King’s Academy in Silicon Valley. He is interested in artificial intelligence, computer science, and the ways technology can help people find and understand information more efficiently. He led his school history club to qualify national and international history bowl multiple times. Through activities such as History Bowl, debate, and running, William has developed strong communication skills, discipline, and a desire to help younger students learn.

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Sofia He

Instructor

Sofia He is a rising sophmore at Lynbrook High School with interested in STEM fields with circuiting and coding with python/java & research . She has multiple years of experience in debate & art, breaking into Quarterfinals at Stanford invitational  with overall speaker position of 4th, winning gold bid at Diamond NOF, etc. She also attended Synopsis Sciece Fair and has reached silver division in the US Computing Olympiad.

 

In her free time she likes to draw, listen to music & avoid sleeping.

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Eric Liu

Instructor

Eric Liu is an incoming senior at State College Area High School. He has been very passionate about computer science and business, specifically software development and entrepreneurship. Eric has competed in the Technology Student Association (TSA) since 2024, earning 1st Place at the 2026 State competition in both Software Development and Manufacturing Prototype, along with a 7th Place finish at States in Webmaster. He also placed 4th at the 2025 TSA State Coding competition and is a 3-time American Computer Science League (ACSL) finalist. Additionally, his work developing the Procrastination Pulverizer app earned him an Honor Award from the International AI Youth Education Society (AIYES) and Finalist status at the 2025 DECA Innovation Plan State competition.

Beyond competitions, Eric is the co-president of his school's Hack Club, which he re-founded and doubled in membership.

 

In his free time outside of academics, Eric enjoys tennis and singing. He is the main varsity captain for his school's tennis team and a 2025 PMEA All-State Choir qualifier while also being nominated a section leader in his school's select choral ensemble.

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Hanson Wang

Instructor

Hanson is a junior student at Homestead high school, specializing in CAD modeling, robotics, and mechanical system design. Hanson has designed and built projects ranging from competition robots and battlebots to functional engineering concepts, prioritizing practical problem solving. He was a hard working member of the school FRC team 670 Homestead Robotics and consistently earned medals or top placements in engineering and research-related events, including Tech Challenge, Hackathons and Makerhacks.

 

In his free time, Hanson is passionate in martial arts and model making using 3d printers and recycled materials/part.

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Leo Sitaraman

Instructor

Leo Sitaraman is a junior at Homestead High School with strong interests in physics, engineering, computer science, and mathematics. He participated in VEX Robotics for six years, consistently earning high placements in competitions, as well as The Tech Challenge hosted by The Tech Interactive. Leo enjoys coding simulations, solving physics problems, and exploring open-ended engineering concepts. He also experiments with creative projects, including novel robotics systems, mathematical visualizations, and fingerstyle guitar arrangements, with a focus on iterating and problem-solving.

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Nathaniel Ou

Instructor

Nathaniel is a rising junior at North Hollywood High School. He is interested in chemistry, and does not like biology at all. He does science + chemistry related competitions such as Science Bowl, Science Olympiad, and Chemistry Olympiad and has some results that are mostly fine. He hopefully got honors or more on the chemistry olympiad(results pending) and somehow is a USABO semifinalist which is pretty ironic. Otherwise, Nathaniel can be found trying to get his 3d printer to work, trying to bodybuild, or playing piano.

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Lily Yang

Instructor

Yixuan Yang is an incoming Senior at Lynbrook High School. She is passionate about earth science and biology. Lily has been a part of the Science Olympiad for 5 years and made it to the states. In the 2023 Science Olympiad States, Lily placed 2nd for Rocks and minerals, 4th for Forestry, and 6th for Dynamic Planet. At the 2025 Science Olympiad regionals, she placed 2nd in Astronomy. Lily has participated in the USA Biology Olympiad and Synopsys Science Fair. Additionally, with her team, she placed 4th at States in the 2025 Marine Biology Bowl.

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Outside of Science, she is a counselor at Walden West, Miss January for the 2025 Sing Tao global beauty pageant, and a runner for Lynbrook’s varsity track and field and cross country teams

© 2018-2026 Silicon Valley STEM 4 Youth, a 501(c)(3) registered nonprofit organization 

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