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SigmaCamp 2025: Counselors

Undergraduate at Johns Hopkins University
Ethan Abelev

Hi! I'm coming back to Sigma for my 7th year, after 4 years as a camper and 2 as counselor. I'm studying biomedical engineering, electrical engineering, and physics at Johns Hopkins. I'm involved with several student teams designing biomedical devices for real-world patients, and I'm actually an official university tour guide. Outside of academics, I love listening to and playing piano, learning languages, and drawing.

Undergraduate at Stony Brook University
Rebecca Balaban

Hey everyone! I’m excited to be joining SigmaCamp again. I am studying Biology at Stony Brook University. In my lab, I am working to develop marine invertebrate microbiomes using the Oxford Nanopore. Outside of school, I enjoy playing ping-pong, attending concerts, and spending time outdoors. I am looking forward to meeting you all and creating some great memories together!

High School Student
Anna Bloch

Hi everyone! I am excited to come to Sigma as a Junior Counselor after 5 years of being a camper. My main interests are math and physics, but I also enjoy learning about architecture and data science. In my free time, you can find me watching movies (Best in Show is top tier) or playing the piano. Looking forward to meeting you all this summer!

Undergraduate, MIT
Matvey Borodin

Hi everyone! This will be my seventh year at Sigma and I am so excited to be back for another year. I am a rising sophomore at MIT majoring in math and computer science. I'm always happy to talk about anything math-related, but I'm also game for any other interesting STEM or musical discussions you may want to have! In my free time, I love traveling, playing violin, tennis, hiking, and board games.

Undergraduate at Northeastern University
Joel Brook

Hey! I attended Sigma as a camper for 5 years before returning as a counselor. This will mark my fourth year as a counselor. I'm interested in math, computer science and engineering and am studying computer science at Northeastern University. Outside of school, I fence, play various video and card games, and have recently picked up chess. I can't wait to see you all at Sigma this summer!

Graduate Student at MIT
Iris Brook

Hello! I am Iris and I am currently finishing my Master's in Business Analytics at MIT Sloan School of Management while also working on my capstone project with Massachusetts Financial Services. I am really interested in data science and in the business side of the tech industry, specifically how we can make product development and production more efficient. I am highly involved in STEM tutoring for girls and how to better encourage more women to pursue their STEM careers. Outside of academics, I love music, dance, art, and baking. I am excited to help make this week unforgettable for all of you!

Undergraduate at University of Washington
Anat Dubinsky

Hello! I'm currently pursuing an engineering degree at the University of Washington. My interests include chemistry, math, classical guitar, skiing, watercolor painting, and creating banana bread that consists of 50% chocolate. Since last SigmaCamp, I've learned how to solve a Rubik's cube, so I'm excited to see how much faster you all are at it than me. :)

Undergraduate at Princeton University
Deniz Erdag

Hello! I'm so excited to continue working as a counselor for Sigma Camp this summer! I'm studying Physics with an applied math certificate at Princeton and have worked on experimental dark matter detection and constraining cosmological parameters. I love talking about physics and teaching physics, but I also enjoy reading, music (piano/flute), dance (ballet/ballroom/contemp), and archery! Feel free to come talk to me about anything

Graduate Student at Boston University
Sofiya Filippova

Hello everyone! I am a masters student at Boston University studying product design and manufacturing in the mechanical engineering department. I am passionate about developing clean technology and building a more sustainable world! After graduation, I hope to work as a design engineer streamlining clean technology commercialization. Outside of academics, I love to rock climb, do yoga, ski, and generally spend time outdoors. I am also a big reader and love making and viewing art. But that’s enough about me, I want to learn about your passions! Find me at camp to talk to about anything and everything. I am so excited to return to Sigma for another summer and help make this an unforgettable week for all the incoming campers, as my counselors once did for me!

Undergraduate at Ilum School of Science
Gabriela Frajtag

Hello world :) I’m Gabriela, and this is my first time at Sigma US (although I’ve been to all the Sigma Brazil camps so far!). I was born and raised in Rio de Janeiro and I’m currently in my final year as an undergraduate at Ilum School of Science, majoring in Science and Technology. In high school, I really enjoyed competing in academic Olympiads across science, linguistics, math, and robotics. Outside academics, I love hiking, spending time in nature (especially at the beach), hanging out with animals, and watching movies. My current academic interests are at the intersection of fields, especially biophysics and molecular biology. I’m usually really approachable and love chatting about anything—and I’m also really proud of my Duolingo streak, so let’s connect there too!

Undergraduate at Harvard College
Belén Franco de la Matta

Hi everyone! After attending Sigma as a camper for four years, I am so excited to be back as a counselor for a second year this summer! As someone who adores patterns and geometry, I find it beautiful how art is deeply intertwined with science. At school, I am conducting physics research on Mechanical Metamaterials. In this project, I study how altering the intricate geometries of structures allow us to create new materials with properties and functionalities not found in nature! This can lead to some very cool properties, such as creating cloaking devices that bend light in unconventional ways, making objects appear invisible :). I am also carrying out math research on Topology. I especially enjoy using art techniques, such as modular origami, to create 3D map coloring models! In my free time, I love to swim, make art and write, listen to music, eat anything I can find in my sight (as my brother would say), and hang out with my family and friends. This summer, I can't wait to meet you all, hear all about your interests, and spend an unforgettable week together!

PhD Student at EMAp-FGV
Nano Gennari

Juliano is a physicist and computer scientist, airplane pilot, hacker/maker, and youtuber on the free time, currently a PhD's student on the Doctorate Program in Applied Maths and Data Science at EMAp-FGV. Before that, he also obtained a Bachelor's degree in Computational Physics from the University of Brasília, and a Masters from University of São Paulo. He works with modeling, simulation, and machine learning, with a focus on epidemiology and public health. He also teaches programming at NES, a program to teach Mathematics, Artificial Intelligence, and Data Science to high school students. In the gap between his graduation and the start of his masters, he also worked as a flight instructor and is the creator of the youtube channel nanoTech focused on technology, electronics and haker/maker content.

High School Student
Alexander Grinberg

Hi everyone! This year will be my first as a junior counselor. Before this, I attended SigmaCamp and SigmaCamp Next for 4 total years. I'm super interested in chemistry, physics, and engineering. Next fall, I'll be embarking on earning my major in mechanical engineering at Northwestern University! I love motorsports, music (piano and percussion), spending time outdoors, and playing sports (tennis, soccer, basketball). I'm super excited to meet all of you this summer at Sigma!

High School Student
Ben Kremnev

Hello! I have been a camper at SigmaCamp and SigmaCamp Next in the past two years, and I am excited to come back as a JC. My main interests are engineering and chemistry, although I'm interested in physics and biology as well. Outside of school, I love making of all kinds (woodworking, blacksmithing, etc.), as well as philosophy and music. I'm excited to meet you all this summer!

High School Student
Leonid Krivenko

Hello everyone! I’m super excited to be coming back to Sigma—this time as a Junior Counselor after a few years as a camper. I’m mainly interested in math and physics, but I also like chemistry and computer science. I enjoy solving problems and thinking about how things work. In my free time, I like reading and analyzing books, and I love going on hikes. I’m looking forward to meeting everyone this summer!

Undergraduate, Stanford University
Ashley Malkin

Hi everyone! This will be my second year as a counselor and seventh year at Sigma overall! I love the brain, the mind, and the machines that replicate them - so my main interests are AI, linguistics (which I first discovered at my first year at Sigma!) and anything within cognitive science. I've done research on many different intersections within computer science and neuroscience, feel free to ask me about it! In my free time, I also like to write, debate, and hang out with friends at the beach. I can't wait to meet everyone for a great Sigma summer!

Data Analyst
Inayê Melo

Hi, I’m Inayê! I work on education-focused projects, especially for social impact, as a data analyst, strategist, and manager. I love working with students and am passionate about co-creating projects that offer young people opportunities for discovery and learning. I have a bachelor’s degree in Applied and Computational Mathematics from Campinas University (UNICAMP) and have been involved in academic competitions and educational programs throughout my life - first as a student, and now as part of the support team.

High School Student
Lea Nekrasov

Hi everyone! It's my first year as a junior counselor at Sigma, and after spending most of my childhood as a camper here, I'm really excited to come back for another summer. I'm interested in all things cars, and would love to chat to anyone about your favorite racing series or model. In my free time, I play piano, read, and am trying to remember my french grammar rules. Can't wait to see everyone soon!

Neurology Clinical Research Assistant, Study Coordinator Weill Cornell Medical School
Ahlanna Olson

Hey there! I am excited to be joining Sigma for my second time this summer! I graduated from Princeton University in May, where I studied Neuroscience. I plan on applying to medical school next year, hoping to focus on the intersection between pediatrics and neurology. In the interim, I work in Clinical Research at Weill Cornell Medical School! While I am very passionate about medicine (and would love to discuss the topic at any time), I also enjoy running, reading, and spending time in the sun. I look forward to meeting you!

Undergraduate at Columbia University
Iana Podobedov

Hi everyone! My name is Iana, and I’ve been with Sigma since the very beginning — first as a junior camper, then as a camper for six years, and now as a counselor. My main interests lie within mechanical engineering, particularly in robotics and manufacturing engineering. In my freetime I enjoy running, hiking, embroidering, and just spending time relaxing in the sun. I am almost always listening to music (of virtually any genre) and I'd love to hear any recommendations. I can't wait to meet you all this summer!

Undergraduate at FGV EMAp
Arthur Rabello Oliveira

Hi! I’m passionate about math and love creating beautiful dishes, especially pizza napoletana. While I spend most of my time diving into mathematics, I’ve recently started studying biochemistry to level up my cooking skills and better understand how food impacts our bodies.

When I’m not immersed in math or experimenting in the kitchen, you’ll likely find me playing string instruments like the violin, bass, or guitar. I also enjoy learning new languages and exploring the cultures behind them. I currently speak four languages and am determined to add Russian to my list (Anatoly is teaching me!).

Lastly, I’m in awe of nature’s masterpieces and love going on hikes to appreciate its beauty. See you in sigma!

Undergraduate at Georgia Institute of Technology
Anna Rosner

Hi y'all, I'm Anna, and I can't wait for my sixth Sigma (my third as a counselor!). Right after camp, I'll be heading down to Atlanta for my junior year at Georgia Tech, where I'm majoring in environmental engineering. My interests range from composting to air pollution to urban policy, but I'm mostly interested in how to plan cities with sustainability and public health for all in mind. I'd love to chat about anything from spreadsheets to robotics to why tea is the superior beverage (last year, I was drinking chai while writing my bio - this time, it's peppermint). As I continue my quest to do everything, everywhere, all the time, you can find me making music (I play viola and sing), reading a good book (I'm trying to read a book a week), or searching for the perfect thrift.

Undergraduate at Harvard College
Daniel Salkinder

Daniel is an undergraduate studying Math and Physics. He spends his time trying to learn things and then teach them to other people, and he tells himself he'll find an interesting research project soon. Lately, he has also been thinking about psychology-backed teaching practices and how to mathematically derive morality. He has been at Sigma forever, and can be found reorganizing board games, locking other people into rooms full of puzzles, and playing the saxophone (poorly) at the chamber concert. Daniel wants to hear your thoughts on life and/or give you fun math problems/puzzles, so you should come say hello :)

Undergraduate at MIT
Stasya Selizhuk

Hi y'all! I'm excited to return for my third year as a counselor. I’m currently a student at MIT, studying mechanical engineering and design. In the past I’ve researched Epinephrine Auto-Injectors (like the EpiPen), their design, and how people use them. Recently, I’ve been focusing on building technical skills, the ‘human’ element of design, and encouraging girls to pursue STEM. Outside of science, I love art, fencing, reading, and cooking. Can't wait for an amazing summer!

Undergraduate at New York University
Mark Shapiro

Hi! I’m so excited to return for my seventh year at Sigma and second year as a counselor! Next year I will begin as an undergraduate studying violin performance and math. My research is in geometry, but I love to discuss everything STEM, humanities, and music! Outside of academics, I enjoy puzzles, reading (especially philosophy), and playing guitar and theremin (somewhat poorly). I can’t wait to see everyone!

Undergraduate at University of Campinas
João Rafael Silva de Azeredo

Hey, João here! I'm a computer engineering student at the University of Campinas, and I'm extremely passionate about math and programming competitions. I'm also conducting undergraduate research in Galois Theory and Algebraic Structures. Beyond academics, I love singing and playing the guitar (be warned-once you hand me one, I won’t stop!). I enjoy learning about other people's interests and exploring topics outside my field of study. Feel free to reach out anytime!

Undergraduate at McGill University
Maya Smith

I am excited to attend my seventh year at Sigma. I will be starting my third year at McGill University in the fall. Before coming to Montreal, I lived near Boston and before that, in State College, Pennsylvania. I love physics and math, and my favorite part of math is whatever I happen to have last learned. I enjoy learning languages, whether human or programming, and am always up to learn something new. If you come find me during one of the breaks, I'll teach you how to knit or crochet.

Automation Engineer at Control Associates Inc.
Nikolai Styrkas

Howdy! I am an Automation/Control Systems Engineer working on chemical plants in the New York Tri-state area. I graduated from Rutgers with a degree in Chemical Engineering and Computer Science and have been coming to Sigma for quite some time now. I enjoy hiking, running, dancing and playing THE S A X. I also love to work on cars and have been upgrading mine for quite a few years now (It will drive out of the garage soon I swear!). I hope you enjoy Sigma as much as I have in the past and get the chance to experience academics in a unique and zany way!

Undergraduate at Rutgers University
Alexander Suponya

Hi y'all! I'm pursuing my master's degree in biomedical engineering at Rutgers University. I'm interested in tissue engineering, gene therapy, biomaterials and machine learning. I'm also a huge fan of linguistics and enjoy learning about cognitive science. I enjoy rock climbing and love to read new poetry. I play piano and guitar and am learning to play the accordion. If you'd like to sing a song together at Sigma, be my guest! I can't wait to get to know all of you this year.

Incoming Freshman, MIT
Sophia Syritsyna

Hello hello! As a Camper for 2 years and a Nexter for 1, I'm incredibly excited to be joining you all for my first year as a Counselor. I love physics, math, and playing the flute, but I have also been known to spend an unjustifiable length of time on Wikipedia reading about the evolution of the hammerhead shark. Although my interests are listed above, my ability to converse incessantly on any topic is unbounded, so come find me!

Zyama Teytelman
Zyama Teytelman

I'm Zyama, and I'm super excited to be coming back to SigmaCamp as a junior counselor after four years as a camper. My main interest in STEM is chemistry, but I've also learned math my whole life and actively competed in my school's math team. Last year, I started a chemistry club at my school, and I hope to bring one of our experiments to Sigma as a workshop! Apart from STEM, I love music, classical especially, and play the piano and violin. Some of the things I like to do outside are playing soccer, cross-country skiing, and hiking.

Graduate Student at Cornell University
Giuseppina (Pina) Than

Hello! I was a camper at Sigma for five years and am so excited to return for another year as a counselor! I just finished studying Biomedical Engineering and Applied Math & Statistics at Stony Brook University, and I will be pursuing a Master's in BME in the fall. Beyond STEM, I love Broadway (I've directed a play!), making music (piano and flute), and reading (Lord of the Rings is the best!), among other things. Come talk to me about anything - I'm always interested in learning something new!

CEO of Rito
Nestor Tkachenko

Hello, I'm Nestor and I'm very excited to return to as a counselor! My primary work is as a professional ChatGPT impersonator, but on the side I'm a founder of a food robotics startup called Rito. I also love philosophy, iced lattes, and hot takes.

I am personally very interested in physics, technology, and entrepreneurship. I do everything from building burrito-making robots and creating levitating vehicles to shocking people to make them dance.

I love meeting new people and enjoy understanding how others think, and always appreciate interesting discussions on any topic, from questions of morality to cultural trends, so feel free to talk to me about anything!

PhD Student at Boston University
Anatoly Zavyalov

I'm so excited for my fourth year at Sigma! I am a CS PhD student at Boston University, mainly interested in differential privacy and sublinear algorithms. Before that, I got my Bachelor's at the University of Toronto, where I studied math, CS, and physics. I've also written software used by large radio telescopes, and contributed to open-source theorem provers. Outside of camp, I lead Sigma's Problem of the Month (POM) contest and help out on the technical and administrative side of things.

I spend my free time developing video games, playing the piano, biking, and learning German and Portuguese (Arthur is teaching me!). Come talk to me about anything; you'll likely find me near the piano!