EXECUTIVE
Founder • Puzzle Team
Joy Shi
Joy is the founder and president of INTEGIRLS Inc. She first began competitive math in middle school, but she's been passionate about STEM for as long as she can remember. Her experience at Math Prize for Girls -- the premier all-girls math competition -- inspired her to create a similar community of girls, but open to all. She is a senior at California Institute of Technology (Caltech).
CEO • San Deigo Chapter
Katrina Liu
Katrina is a senior from San Diego, California. She has participated in math competitions in the past, including earning a silver medal at EGMO. She also attended the Research Science Institute for mathematics research. In her free time, she enjoys snowboarding and skiing, playing golf, and listening to music.
CFO • Seattle Chapter
Sophia Zhu
Sophia is a current twelfth grader at Lakeside-- she's a MP4G qualifier and was awarded the Young Women in Mathematics Award. She's passionate about teaching math to others and is excited to take on the CFO position for INTEGIRLS this year. Outside the classroom, Sophia likes to write, play golf (although not very well), and listen to Harry Styles!
Technology Director • DC Chapter
Michelle Lin
Michelle is the Technology Director of INTEGIRLS. She has been passionate about STEM from a young age and hopes to inspire other students in STEM. She has qualified for AIME since middle school and attended the Math Prize for Girls competition at MIT. Outside of math, she is an avid golfer and enjoys creative writing along with coding.
Sponsorship Director • Bay Area Chapter
Grace Gao
Grace is a junior at American High School. She has been doing math competitions since sixth grade, participating in competitions like AIME, SMT, and BMT. Through INTEGIRLS, she is excited to share her passion for exploring mathematics and contribute to a growing community of girls in STEM. Outside of math, she enjoys painting, playing tennis, and coding in her free time.
Catherine Ji
Catherine is a senior at Northview High School, where she leads on her school's Math Team. After competing in an INTEGIRLS competition in 2022, she joined the Atlanta team to inspire other math-loving girls and nonbinary students. She enjoys exploring new areas of math and sharing her passion with others. Besides math, Catherine enjoys singing, shooting arrows, and reading Hemingway and Didion.
Website Director • Research Triangle Park Chapter
Amy Han
Amy is a sophomore at Chapel Hill High School. She has been doing math competitions since 6th grade and has participated in AMC and DMM. As Co-Head of INTEGIRLS RTP, she hopes to share her passion for mathematics and encourage more females and non-binaries to explore math in a supportive and welcoming environment. Outside of math, Amy enjoys playing piano, golfing, and hanging time with friends.
Statistics/Scoreboard Director • Problem Writing
Natalie Song
Natalie is a high school senior originally from Shanghai, China. Discovering competition math in middle school, they've since then participated in many contests including AMC, AIME, USAJMO, BMT, and SMT. They also attended the Ross Mathematics Program in past years. Natalie joined the INTEGIRLS team to help empower female and non-binary students to pursue STEM. Outside of math, they enjoy dance, musicals, and the Minute Cryptic.
Problem Writing Director • Research Triangle Park Chapter
Alex Liu
I'm a rising senior in Apex, NC. I like to go out and eat with my friends, listen to J-pop/rock/rap, and run in my free time. My favorite math topics are analytical number theory and theoretical computer science.
Social Media Director • Dallas/Fort Worth Chapter
Jenny Chu
Jenny Chu is a high school senior from Dallas, Texas. She's been involved in math competitions for as long as she can remember, and she joined INTEGIRLS to inspire her fellow girls and gender minorities to take charge of STEM fields. She's also the chapter head for INTEGIRLS DFW. Besides math, she’s a nationally and internationally recognized poet, leader of her school’s Science Olympiad & Science Bowl team, and a food and pop music lover.
Social Media Director • LA/OC Chapter
Kimberly Vu
Kimberly is a senior at Fountain Valley High School. She first discovered competitive math and joined INTEGIRLS during her freshman year. She loves exploring intricate math topics in her free time and, fun fact, did a calculus worksheet once to stop herself from crying (it worked). When she's not doing math, which is not very often, she's either playing guitar, thrifting, journaling, or reading. She hopes to share her passion and inspire other people through her work on social media.
CHAPTER HEAD ADVISORS
Chapter Advisor • Executive Director • Chapter Head • STL/MO Chapter
Shubha Gautam
Shubha Gautam is a sophomore at Cornell University from Columbia, MO. Since she discovered her passion for mathematics in middle school, she has participated in many math competitions and programs, including MATHCOUNTS, ARML, AIME since 2021, SUMaC, and even a local INTEGIRLS contest. She has taught competition math to girls and non-binary persons locally, and hopes to continue her efforts toward bridging the STEM gap through INTEGIRLS. In her free time, Shubha loves to explore beautiful areas in Missouri, write, and hang out with friends.
Chapter Advisor • Tech Director • Chapter Head • Bay Area Chapter
Anna Deng
Anna is a freshman at MIT from the Bay Area. She is passionate about all kinds of math and is eager to promote STEM to others, especially those of underrepresented genders. She has participated in a wide range of math contests, including AMC, AIME, Math Prize for Girls, BMT, SMT, and CMO. Anna also enjoys higher math, especially through her participation in programs like PROMYS. Aside from math, she enjoys figure skating, listening to music, tinkering with AI, and reading anything.
Chapter Head Advisor • DC Chapter
Julie Steele
Julie is a senior at MIT studying computer science and AI. She enjoys conversations learning from and working with chapter heads, bringing her previous experience from growing integirls, leading the DC chapter, and being part of the puzzle team. The AIME and USAMTS were some of her favorite math competitions. She also loves to dance and do improv comedy.
Chapter Head Advisor • Houston Chapter
Ramya Iyer
Ramya is a senior at Stanford University. She fell in love with mathematics during her middle school years and has participated in numerous city, state, and national-level math competitions. In her free time, she enjoys listening to music, watching thrillers, and playing with her yorkipoo.
Chapter Advisor • Philly Chapter
Hannah Gao
Hannah Gao is a junior at MIT. Ever since she discovered her passion for math, she has participated in numerous math clubs and competitions, including Mathcounts and AMC. She has also qualified for the AIME and Math Prize For Girls competition. Hannah was inspired to join the INTEGIRLS community after participating in one of the puzzle hunts, and has since been dedicated to promoting its mission of bridging the gender gap in problem-solving. In her free time, Hannah loves playing violin, playing tennis, and coding!
Chapter Advisor • Dallas / Fort Worth Chapter
Helen Li
Helen is a junior at the University of Texas at Austin. In high school, she began participating in a variety of math competitions, where she discovered the joy of problem solving beyond a computational school curriculum. She knows how intimidating and discouraging it can often feel being one of the only girls in the room, so she was happy to join INTEGIRLS in bridging the gender gap and promoting inclusivity in the competitive math community. Besides maths, she loves reading, researching ethical AI or philosophy, and trying new things :)
Chapter Advisor • DC Chapter
Lillian Sun
Lilllian is a senior at Harvard studying computer science, mathematics, and statistics. She began math competitions in middle school and has participated in USAMO, AIME, and Math Prize for Girls. She has been with INTEGIRLS since 2020, working on outreach and fundraising as a former DC Chapter Co-President. In her free time, you can find her dancing, reading, kayaking, or trying new foods.
Chapter Advisor • Bay Area Chapter
Michelle Han
Michelle Han is freshman at MIT from Granite Bay, California. She is passionate about minimizing the gender gap in math and fostering a math-loving community for females & non-binary students. She has qualified for AIME, Math Prize for Girls, AMC 10 DHR, and has received the MAA Young Women in Mathematics Prize. Besides math, Michelle enjoys playing tennis & reading webcomics!
Chapter Advisor • D.C. Chapter
Marina Lin
Marina is college freshman who recently graduated from Thomas Jefferson High School for Science and Technology. She is passionate about math and hopes to inspire other students in STEM. She was a member of the National MATHCOUNTS team from Virginia and was given the MAA Young Women in Mathematics Prize. She has qualified for AIME and Math Prize for Girls at MIT. Besides math, Marina is an avid golfer. She also enjoys reading and writing!
Chapter Advisor • Houston Chapter
Prakriti Ashwin
Prakriti is a college freshman, recently graduated from Liberty High School in Frisco, Texas. Born and brought up in India, she is passionate about Mathematics and Science, particularly environmental engineering and genetics. She wants to help propagate STEM to girls around the world. Her other interests include reading, dance, photography, and writing novels.
PROBLEM WRITING TEAM
To learn more about the Problem Writing Team, visit integirls.org/pw
PUZZLE TEAM
Puzzle Team
Adam
Adam is a freshman at college who enjoys writing puzzles, even if he’s a bit slow at solving them. He studies science at university.
Puzzle Team
Laura Yao
Laura Yao is a sophomore at Carnegie Mellon University. She has participated in many different puzzle hunts and is also a big fan of jigsaw puzzles. Laura has competed in various math modeling competitions at the national level and loves programming. She studies computer science.
Puzzle Team
Matthew Siff
Matthew Siff is a freshman at Yale University. He came to puzzle-solving through quizbowl, where he has placed in the top 10 nationally in both team and individual competitions. In his free time, Matthew is a frequent (although not particularly excellent) solver of the New York Times Crossword.
Puzzle Team
Shrikar Vasisht
Shrikar Vasisht is a sophomore at University of Maryland. He has been doing puzzle hunts since last year. Shrikar competes in many cybersecurity and programming competitions, and loves to do math. He studies computer science.
Puzzle Team
Vishal Kanigcherla
Vishal Kanigicherla graduated from TJHSST in Alexandria, Virginia in 2021. He became interested in puzzle-solving through his experience with in-school competitions and through his time playing quizbowl. Vishal spends his time reading up on neuroscience and having fun with puzzles and games.
Puzzle Team
Zain Majumder
Zain Majumder is a sophomore at University of Maryland studying Computer Science. He has been doing competitive math and programming since middle school, and has been captain of his high school's math team for two years. He enjoys all types of puzzles, but he likes Nikoli-style logic puzzles in particular.
Puzzle Team
Ellie Feng
Ellie Feng is a freshman at MIT. She discovered competitive math in middle school, and since then, she's qualified for AIME in 2020, 2021, and 2022 and was invited to Math Prize for Girls in 2022. She was introduced to puzzle hunts through the inteGIRLS spring puzzle hun which lead her to joining the puzzle writing team for inteGIRLS.