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Ryan Ahn

Competition Director

Ryan Ahn is a high school junior interested in computational biology and a co-organizer of the YIMO focusing on competition logistics. He is the Founder and Executive Director of STEMise and an Operations Analyst Executive at BioCatalysis. In his free time, he likes to play video games, go out with friends, and read about the latest biology news.

Andrew Zhang

Competition Director

Andrew Zhang is a high school senior interested in physics and mathematics. He serves as the President of his school's physics club and Captain of Lincoln-Douglas Debate. In his free time, he enjoys watching F1, playing basketball, and playing Clash of Clans.

Hyunjun Yi

Competition Director

Hyunjun Yi is an AMC-12 Perfect Scorer who now works as a Deputy Executive Director at STEMise. Growing up in the Netherlands, he likes to hang out with his friends and listen to music in his free time.

Daniel Edouard

Marketing Director

Daniel Edouard is a Merit-Based Harvard Fellow who has conducted independent computational neuropsychology research under the supervision of a Yale professor. His work sits at the intersection of AI, applied math, and neuroscience, with a focus on developing computational applications for neurodivergent developmental disorders. A frequent presenter at national research conferences, he also serves on the Workshop and Outreach team for Next Horizon. He is the founder of Les Enfants du Monde, a nonprofit focused on STEM, AI, and entrepreneurship education for youth in the Democratic Republic of the Congo. In his free time, he is an avid tennis and pickleball player and has played violin for six years.

Charlie Yang

Head Mentor

Charlie Yang is a three-time AIME qualifier with AMC 10 Distinguished Honor Roll who presents independent research at academic conferences. He plays AAA ice hockey and competes on his school's varsity team.

Adithya Balakumar

Head Mentor

Adithya Balakumar is an AIME qualifier (2026) with a Bronze Medal at the Math League International Competition and a state-level robotics innovation award. He loves exploring local parks and drinking matcha.

Damayne Anderson

Head Mentor

Damayne Anderson is a driven student-athlete and community member, focused on growth both on and off the court. He is the founder of Daily Math and actively competes in USACO, with a strong interest in qualifying for AIME. Through his involvement in a nonprofit, he works to give back while building leadership, discipline, and a commitment to excellence.

Aarin Patkar

Aarin Patkar is a competitive speech and debate student who also has a strong passion for mathematics and Spanish. Outside of the classroom, he enjoys exploring new ideas, debating current events, and challenging himself with math problems.

Aaron Qin

Aaron Qin is a 2x AIME qualifier immersed in startup culture. He is interested in creative problem-solving and how theoretical math concepts intertwine with real-world systems. Outside of math, he enjoys researching, filmmaking, songwriting, and coding.

Abhiram Jetty

Abhiram Jetty is a USAJMO qualifier, TXSEF finalist, Thermo Fisher finalist, and AMC 10 Distinguished Honor Roll recipient. As a 9th grader, he likes to play video games, swim, and write math problems for contests like YIMO.

Atharv Karamcheti

Atharv Karamcheti is a freshman with interests in biomedical engineering, robotics, and chemistry. He competes on a VEX V5 robotics team that recently qualified for Worlds and conducts independent research on biomedical engineering applications. In his free time, he enjoys origami, digital art, photography, and piano.

Christopher Huang

Christopher Huang serves as the Executive of Education at STEMise, where he leads initiatives to make STEM learning more accessible. As a Senior SAT Tutor at Schoolhouse.world, he has mentored over 65 students across 20 countries and overseen more than 1,200 certifications. Beyond education, he has a personal interest in the intersection of dentistry and materials science.

Collin Du

Collin Du is a national K-12 chess champion with five years of competitive experience who is currently training for ISEF. He played baseball for seven years and enjoys fishing, skiing, and writing.

Desmond Chen

Desmond Chen has a strong passion for math contests and enjoys writing problems for competitions.

Dhagash Desai

Eric Guo

Eric Guo is a 2x USA(J)MO Qualifier and current MIT PRIMES researcher at High Technology High School in New Jersey. In his free time, he likes to talk to friends on Discord.

Ethan Yang

Ethan Yang is an AMC 12 qualifier who enjoys creating applications that help people study more effectively.

George Paret

George Paret is a 4x AIME qualifier, AMC 10/12 Distinguished Honor Roll recipient, PUMaC Top 10 Geometry, BMT Top 10 Geometry, BMT Top 10 Algebra, HMMT Top 25 Geometry, MATHCOUNTS Nationals Qualifier, ARML Perfect Scorer, and co-founder of GPMO. In his free time, he enjoys playing ping-pong and listening to music.

Jacob Rotella Riggers

Jacob Rotella Riggers is a VEX VRC World Championships competitor with strong skills in math, programming, and robotics. He trains seriously for distance running and competes in baseball.

Justin Guo

Justin Guo is a 4x AIME qualifier, HMMT top 50 placer, USACHO qualifier, and Olympiad Insider officer. He enjoys chess, running, community service, and programming.

Krish Kejriwal

Krish Kejriwal is an aspiring mathematician who has achieved distinctions at MATHCOUNTS chapter rounds and AMC 8. He is currently writing problems for the 2026 YIMO

Kristen Zhou

Kristen Zhou is a student who enjoys competition math and teaching it. Despite missing AIME by 1.5 points, she has placed first and fourth at many regional MATHLEAGUE.ORG competitions. She is a four-year cross country runner who has qualified for the Central Coast Section three times. In her free time, she enjoys playing PJSK, watching Danganronpa, and listening to indie music.

Lefteris Demosthenous

Lefteris Demosthenous is an AIME qualifier with distinction and a USACO Silver competitive coder. He likes to play piano and lift weights.

Leo Pattison

Leo Pattison is a track and soccer athlete passionate about math and coding who volunteers at local workshops to teach and inspire elementary school students.

Nathan Zaltsman

Nathan Zaltsman is a Next Horizon alumnus turned mentor who mastered competitive coding through our programs. He is a competitive chess player who stays mentally and physically sharp through regular workouts.

Pietro Loraschi

Pietro Loraschi is a USACO Silver competitor (2026) preparing for USAPhO via F=ma, and a two-time top placer at the World Scholar's Cup in debate and collaborative writing. He also plays and performs guitar.

Rayoon Kim

Rayoon Kim is a USAMO qualifier who can be found coordbashing the most diabolical geometry problem. In his free time, he enjoys playing various PvP games, watching Danganronpa, and listening to various indie groups.

Senhan Wang

Stanley Kem

Stanley Kem is a two-time national writing competition placer and captain of a top-10 ECNL soccer team with three regionally recognized artworks. He is actively preparing for hackathons.

Tashi Satish

Tashi Satish is a VEX VRC World Championships qualifier with a strong background in robotics engineering who also competes in club soccer, balancing demanding STEM work with competitive athletics.

Vidhur Mahajan

Vidhur Mahajan is a high schooler with a passion for competition math and a deep interest in energy and energy research.

Vivaan Mathur

Vivaan Mathur is a dedicated cross country runner and VEX Robotics competitor who has qualified for VEX Worlds. He loves combining his passion for engineering with the discipline of distance running, and enjoys building, tuning, and competing with his team.

Wyatt Choi

Wyatt Choi is a 1x AIME qualifier with Honor Roll, a Silver medalist in the Korean Math Olympiad (KMO), and a distinction recipient in the British Math Olympiad Round 1. He has placed in the Top 8 Teams at the Caltech Harvey Mudd Competition, Top 10 Individual at the Brown University Math Olympiad, and 3rd at his regional Math Field Competition. He writes olympiad problems for Solvefire and YIMO, and in his free time plays electric guitar and builds robots for VEX Robotics.