Our Teachers
Aggy Yassen
Teacher (she/her)
Aggy is a second year student at Harvard College, studying integrated biology and anthropology. Growing up, she always loved learning about math and found herself helping her classmates and siblings in their math classes. In addition to CMC, she is also an SAT tutor. Aggy particularly loves CMC's creative approach to helping young student understand complex topics and theories - including some college-level ones. When she's not helping with CMC, Aggy enjoys reading, swimming, and spending time with loved ones. She's also a really good ping pong player!
Alena Dolgireva
Teacher (she/her)
Alena earned her degree in Education in Russia and continued studying the differences between Russian and American math programs. She's been teaching math for more than 7 years, including during CMC's 2023 summer camp. Alena regularly runs lectures for schoolchildren about women in STEM, and her favorite teaching moments are when students start to find math interesting, beautiful, and fun. As a passionate traveler, she's constantly exploring new countries and cultures, always on the lookout for fascinating mathematical insights from around the world.
Alper Tezcan
Teacher (he/him)
Alper freshly started his PhD at École Polytechnique, Paris, and recently finished his undergraduate degree in physics and math. He's studying high-energy physics: the cool name for particles. Before CMC, Alper did competitive physics and taught high school students, which sparked his passion for teaching. At CMC, he enjoys answering creative, puzzling, yet fundamental questions from kids. Besides academics, Alper likes rowing, playing guitar, and biking. He makes "awesome" jokes to Luke from CMC and teaches him a bit of Turkish every week :D
Camryn Neches
Teacher (she/her)
Camryn is a sophomore at Harvard College (class of 2027) studying physics and history & literature. She's been engaged in diverse scientific interests since she was a kid, and she hopes to share her passions with CMC students by demonstrating the power of mathematics and science, which are all around us. Outside of teaching, Camryn researches computational oncology and is a leading member in the Harvard CubeSat, Harvard Rocket Propulsion Group, and the Harvard-Radcliffe Science-Fiction Association.
Cody Uman
Teacher (they/them)
Cody is an undergraduate student at Yale University, studying math and education studies. They fell in love with math in 6th grade, when they had an amazing teacher who showed them how much fun math could be. They joined the Cambridge Math Circle to have the same effect on other students. In their free time, Cody enjoys modular origami, ice skating, musical theater, and playing trombone and tuba.
Constance Kraay
Teacher (she/her)
Constance is a PhD student studying biophysics at Harvard University. She has a bachelor's and master's degree in chemistry from Harvard and enjoys teaching both math and music in a variety of contexts... especially with CMC!
Crisel Suarez
Teacher (she/her)
Crisel is a PhD candidate studying physics at Vanderbilt University and a Smithsonian Astrophysical Observatory (SAO) Predoctoral Fellow. She's currently studying the physics of solar flares. Crisel earned a Master of Science in physics from Fisk University in 2019 and a Bachelor of Science in mathematics (major) and physics (minor) from St. Edward's University in Austin, TX, in 2017. Crisel is originally from Mexico City, Mexico. When not doing research, she likes solving puzzles and spending time with her dogs and cat.
Dan Kaplan
Teacher (he/him)
Dan is a visiting assistant professor of mathematics at UMass Boston, specializing in noncommutative geometry. He earned his PhD from Imperial College London. He enjoys exploring how math problems can be simplified when viewing them from different perspectives, thereby revealing elegant solutions. Outside of his academic work, Dan enjoys running, playing tennis, and watching films. Fun fact: he is an identical twin.
Eleni Persinger
Teacher (she/her)
Eleni is a junior at Yale University, studying mathematics and computer science. Originally from Michigan, she loves teaching and tutoring math. She's also currently co-president of Dimensions, Yale's Women and Gender Minority Math Students club. Eleni went to Canada/USA Mathcamp '20, '21, and '22, and was a JC for Mathcamp in '23. She loves visualizing math, whether it's thinking about geometry in higher dimensions, doughnuts and coffee cups, or group structures. In her free time, Eleni loves to play the violin, fold origami, crochet, collect coins, do woodworking, bake, and play gold. In college, she's loved trying new things, such as learning to ice skate. She has two cats at home that always walk in front of her camera during Zoom calls.
Emma Speiser
Teacher (she/her)
Emma is an undergraduate student at Harvard, studying physics with a secondary in English. Though she's drawn to math for the applications, she absolutely adores solving math puzzles and games just for fun! Emma came to CMC because she loves how the program blends both learning and exciting math puzzles. Outside of academics, she enjoys photography, skiing, and reading. Fun fact: Emma became interested in STEM after watching Iron Man for the first time (she was amazed by the arc reactor), and she's always thinking about how to bring sci-fi tech from movies to real life, using science!
Filip Miljevic
Teacher (he/him)
Filip comes from Serbia and is doing a physics PhD in France. He found out about CMC when he was in the final year of his bachelor's degree, where he studied mathematics and physics. Three years later, he's still at CMC, excited to teach math. The thing that makes Filip the happiest about teaching is knowing he's making a change and passing on his passion for mathematics to others. Besides studying, he likes playing guitar, making origami figures, and watching TV series. He's also trained in gymnastics, so he can do a handstand and a backflip!
Grace Zhang
Teacher (she/her)
Grace is a second-year student at MIT, where she studies mathematics and computer science. She has taught with Cambridge Math Circle since 2020 and loves interacting with the students and doing cool math! Originally from Colorado, Grace enjoys being outdoors, especially with her dog (!), and also enjoys playing violin, doodling, and trying new food in her free time. Fun fact: she absolutely adores Snoopy!
Hannah Burrows
Teacher (she/her)
Hannah is an undergraduate at Harvard College studying astrophysics and integrative biology. She loves solving puzzles and applying mathematical concepts to help understand how the natural world works. Besides teaching math, Hannah is also involved in the on-campus astronomy club, and last summer, she worked as a science communicator under the dark skies of Utah. Outside of the classroom and observatory, she spends her time hiking, making pottery, and cooking! Her life goal is to visit all 63 U.S. National Parks (she's at 28 right now).
Josh Zhang
Teacher (he/him)
Josh is a freshman at Harvard. He plans on studying Applied Mathematics in Computer Science and Government. He loves playing the saxophone in marching and jazz band. Josh is originally from Boston, so he is a big fan of the Celtics and the other New England sports teams as well!
Kalina Jasińska
Teacher (she/her)
Kalina graduated with a BA in Computer Science from the University of Cambridge in 2023. She's been working summers at Canada/USA Mathcamp for the past 5 years and recently joined CMC. She loves teaching math to teenagers and kids and seeing them get excited about it. In her free time, she enjoys baking, cooking, bouldering, and drinking hot chocolate. She once managed to go to school as her identical twin sister for a full day without anyone ever realizing.
Katri Nousiainen
Teacher (she/her)
Katri's academic background is in law and economics. Her daughter loves math, which is why she came to CMC as a volunteer instructor. Katri loves learning by playing pedagogics, which makes CMC's approach to math enrichment a perfect match for her family. She loves spending her free time with her family and enjoying long walks and good food. Katri comes from the country of Northern lights, and she's a good friend of Santa Claus.
Khanh Pham
Teacher (he/him)
Khanh is a first year physics graduate student at Harvard. He received undergraduate degrees in physics and applied math at UC Berkeley. Khanh started tutoring math at middle schools in Berkele and wanted to continue in Cambridge. He enjoys swimming, reading, and cooking. A fun fact about Khanh is that he was once the youngest person to ever be born, but he lost the record shortly after.
Laura Pierson
Teacher (she/her)
Laura is a math master's student at the University of Waterloo in Canada, where she counts ways to color things. She studied math and math teaching at Harvard and also teaches at AoPS and various other math enrichment programs. In her free time she currently enjoys doing puzzle hunts, playing board games, folding modular origami, running, weightlifting, walking up the 20 flights of stairs to her apartment, and drinking lots of coffee.
Loralei Cook
Teacher (she/her)
Loralei is a junior at Harvard College studying Physics with a secondary in Energy and the Environment. She participated in after-school math enrichment programs as a child, making her passionate about creating interest in the subject, especially among children from underrepresented communities and backgrounds. She loves CMC's creative and expressive approach to math. Outside of studying and teaching, Loralei enjoys staying active through weightlifting and pilates. She was also a competitive short-track speed skater for 10 years!
Luke Jackson
Teacher (he/him)
Luke graduated from Harvard College in 2024 with a degree in math. He enjoys coming across efficient ways to prove why mathematical ideas are true and talking about them with others. He's also interested in neuroscience and philosophy, but math became his favorite subject once he entered college because he was introduced to proofs. Aside from math, he enjoys annihilating his friends in Mario Kart, telling bad jokes, and eating cookies.
Luke Zhu
Teacher (he/him)
Luke is a sophomore at Harvard College studying mathematics and physics. He's passionate about math education and fostering curiosity and discovery; he came to CMC because of the organization's innovative approach to math enrichment. Outside of work, Luke enjoys playing and watching competitive video games, as well as cycling. His hometown is Christchurch, New Zealand.
Maria Tyutyunik
Teacher (she/her)
Maria has loved math her entire life. She loves the beauty and elegance of a good proof, the ways concepts click together and connect in unexpected ways, and the way the grand edifice of mathematics rises from humble foundations and reaches the clouds. She also loves teaching -- particularly the moments when students suddenly see something they didn't before, and a light shines in their eyes. In her free time, Maria square dances, bakes, writes code, and reads stories. She also embroiders and has embroidered several designs based on mathematical patterns, including a Sierpinski triangle!
Maya Robinson
Teacher (she/they)
Maya is a junior at Harvard College, studying math and education. She's loved math as long as she can remember, and she attended Math Circle when she was in elementary school. Besides teaching math at CMC, Maya mentors at Girls' Angle, is a course assistant for Group Theory, and leads religious services for young children. She likes to read, cook, and make her own jewelry when she has time to spare. Fun fact: Maya has officiated a rabbit wedding!
Michelle Liu
Teacher (she/her)
Michelle studies applied mathematics and computer science at Brown University. She loves teaching and helping others to enjoy math and puzzles. Michelle has taught at multiple math camps and programs since she was in 8th grade. She has been to Canada/USA Mathcamp three times and, during high school, she competed in competitions like AIME and ARML. In her free time, she loves rock climbing, board games, and learning new recipes. A fun fact about her is that she has a cat with only a 3-inch tail!
Mira Bernstein
Co-Founder (she/her)
Mira received her PhD in math from Harvard University, taught at Wellesley College for ten years, and then left academia to pursue her dual interests in data science and math enrichment education. She runs Canada/USA Mathcamp, an international summer program for mathematically talented high-school students, and helped found Proof School, a school for kids who love math in San Francisco. Her work at a summer math program for underserved middle-school students was featured in the New York Times. Mira’s experience with older students has convinced her of the importance of creating STEM pathways for underserved students, starting in elementary school. She lives in Cambridge and is excited for this opportunity to contribute to her city’s community.
Naomi Gendler
Teacher (she/her)
Naomi is a postdoctoral scholar at Harvard University, studying physics. She got her PhD from Cornell in 2023, and before that, she attended Reed College in Portland, Oregon. Naomi came to CMC through the Harvard physics department. She's always loved teaching and interacting with kids. In her free time, Naomi plays guitar and makes pottery. And she's also a black belt in Taekwondo (though she got it when she was a kid and doesn't remember anything)!
Nataliya Yufa
Co-Founder (she/her)
Nataliya received her bachelor's degrees from MIT in mathematics and physics, followed by a PhD in physics from the University of Chicago. She also has an M.Ed. from Lesley University in Math Education. In Chicago, Nataliya started teaching and working with people of all ages and backgrounds, including school children, undergraduates, and adults. She served three years as a teacher and Director of afterschool STEM programs in Chicago and Houston. These experiences inspired Nataliya to become a full-time math educator, following her work as a math education researcher. Since then, Nataliya has taught math at several Boston-area schools, including co-teaching the CSUS math club. She co-founded CMC in 2018.
Raunak Kundagrami
Teacher (he/him)
Raunak joined the Harvard Biophysics PhD program in the fall of 2023. Before that, he majored in math and biochemistry at the University of Chicago. He was also a teacher for Math Circles of Chicago, where he loved watching students' excitement when tackling fun math problems. Originally from Houston, TX, Raunak enjoys singing in choir and watching soccer. He used to perform stage magic as a kid.
Saba Zerefa
Teacher (she/her)
Saba is a first-year PhD student at Harvard University. She graduated from Harvard College in 2023, where she studied electrical engineering and math. She fell in love with math when she began learning proofs. Saba loves teaching for CMC because she enjoys helping students develop confidence in their problem-solving abilities. In her free time, she likes to run, produce music, and make robots.
Sam Padula
Teacher (he/him)
Sam graduated with a bachelor's degree in mathematics from Wofford College and then a master's in math from Wake Forest University. He didn't discover his love for math until his third-to-last semester of college. Math was scary for him until he found the right approach for processing math material; proofs got him hooked! Now, he's excited about the neuroscience of memory, including mnemonics and other creative strategies for making difficult concepts (like math) more approachable for everyone. In his free time, Sam enjoys playing basketball and going to art events.
Sanath Devalapurkar
Teacher (he/him)
Sanath studied math and physics at MIT and is currently a 5th-year graduate student at Harvard University, where he studies math. He enjoys the feeling of finally understanding a concept after struggling with it, and he loves helping students get to that point! In his free time, Sanath likes to run, play the drums, and listen to rock/metal music.
Simran Gupta
Teacher (she/her)
Simran is a senior in high school. She is passionate about problem-solving and has attended the Program in Mathematics for Young Scientists (PROMYS) and participated in competitions like the American Invitational Mathematics Examination (AIME). She has been teaching since ninth grade and enjoys encouraging students to slow down and appreciate mathematical discovery and the problem-solving process. Her other interests include running marathons, singing ballads, cooking different cuisines, and telling stories.
Sophia Benjamin
Teacher (she/her)
Sophia studies mathematics at MIT (class of 2026). She's passionate about teaching math to kids and has taught at CMC since spring 2023, as well as for other math outreach initiatives. Sophia enjoys walking/running/climbing/frolicking in nature, making bad puns, and spinning things that are on fire. Her favorite dinosaur is the Parasaurolophus.
Yuliya Doshen
Teacher (she/her)
Yulia holds MS degrees in Applied Math and Electrical Engineering. She loves teaching at the Cambridge Math Circle.
Teaching Alumni
Adam Dionne
Alvin Chen
Amanda Cui
AnaMaria Perez
Ananya Tadigadapa
Andrew Courtney
Ben Goldberg
Brendan Riviere
Camila De Valencia
Catherine Ye
Charley Cheng
Claudia Cabral
Diana Shklover
Edith Herwitz
Edward Athaide
Elijah Nudell-Cook
Emanuele Leoncini
Emma Greaves
Gabby David
Grace Chen
Hakim Walker
Haley Lifrieri
Harris Allen
Ilaria Seidel
Iris Yang
Jackson Mann
Jasmine Huang
Jeffrey Shi
Jennifer Gao
Jinho Park
Jonathan Zhang
Julia Woodward
Katherine Lin
Lauren Kwee
Lili Wilson
Luca Hinrichs
Matthew Russo
Maximillian Li
Maya Mau
Midori Zhou
Moriah Lim
Naomi Hegwood
Nico Vallenas
Noah Olsman
Nosa Lawani
Phoebe Lin
Poonam Sahoo
Rishi Verma
Ray Fitzgerald
Roy Long
Sarah Figge Hussain
Sarah Gleghorn
Scott Luro
Shoshana Elgart
Siva Muthupalaniappan
Sophie Woodward
Taylor Yeracaris
Ula Fu
Valerie Yuen
William Ning