Peer Concentration Advisors (PCAs) serve as peer advisors for current CS concentrators and pre-concentrators, providing a valuable perspective and helping students to discover additional resources and opportunities. Students can reach out to meet with PCAs with similar academic, career, or extracurricular interests.
For more information, please reach out to the PCA Co-Captains, Bright Liu and Natalia Siwek, through the email address cs-pca@seas.harvard.edu.
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To be matched with a PCA, please fill out our form here.
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Peer Concentration Advisor Bios
Carolyn Dorantes
Class of 2027, lives in Kirkland.
https://www.linkedin.com/in/carolyndorantes/
https://github.com/cdorantes05
About Me: Hi everyone! I am a junior in Kirkland studying Computer Science with a secondary in Education. I am passionate about education and diversity in tech. On campus, I am involved in RAZA, BSG, and CA-ing for CS32. In my free time, I love to watch different types of sit-coms and going to concerts. Feel free to reach out with any questions, I am open to talk about anything!
CS Interests: Computational Complexity, Web Development, Databases, Education
Other Interests: Traveling, Live Music, Thrifting, Cooking, Sit-Coms, Hiking
Concentration: Computer Science
Courses: CS50, CS20, CS61, CS1200, CS1360
Tags: FGLI, Internships, CS & Humanities
Natalia Siwek

Class of 2027, lives in Mather.
https://www.linkedin.com/in/natalia-siwek-640957235/
nataliasiwek@college.harvard.edu
About Me: Hi! I’m Natalia and I’m a junior in Mather studying CS, Stats and Math (with intention to pursue a Concurrent Master in CS). I’m originally from Poland and on campus I’m involved with WECode (as Director of Engineering), WiCS, HPAIR and Debate. I did research at MIT (within multisensory AI) and I’m on a staff for CS50 and CS1200.
In my free time I go to the gym, bake, play board games and check out new restaurants.
Please don’t hesitate to reach out if you want to talk about CS, classes, internships or college life in general.
CS Interests: ML, Data Science, Theory of Computation, Cloud
Other Interests: gym, rewatching shows I’ve already seen, board games
Concentration: Computer Science and Statistics
Courses: CS50, CS51, Math 22a, Math 154, CS120, CS109a, STAT210, CS124, CS208, Neuro 140
Tags: International, Joint Concentration
Sophie Pearo

Class of 2027, lives in Kirkland.
https://www.linkedin.com/in/sophiepearo/
sophiepearo@college.harvard.edu
About Me: Hi! My name is Sophie and I’m from Boxborough, MA. I’m in a junior in Kirkland studying computer science and statistics with a secondary in economics. On campus, I’m involved with Harvard Student Agencies and Women in Computer Science. My academic interests include ethical AI, algorithms, and theoretical computer science. I’m happy to talk about anything CS-related, especially course selection and extracurriculars. Feel free to reach out!
CS Interests: Machine Learning, AI Ethics, Theoretical CS
Other Interests: Music, Reading, Outdoors/camping, Golf
Concentration: Joint Concentration in Computer Science & Statistics
Courses: CS50, CS51, CS20, CS61, CS181, STAT110, STAT111, CS109a, CS120
Tags: Joint Concentration, Entrepreneurship, Internships