Yichen L.

I'm a Computer Science student at the University of Pennsylvania, and I scored 170/170 on the GRE Quantitative Reasoning section. My coursework has taken me through stochastic calculus, derivatives, and quantitative risk, so I know this math from the inside, not just from the textbook. I currently work as an AI engineer intern, building and evaluating language-model systems, which keeps my problem-solving sharp every day. I've also tutored a neighbor's child through AP coursework one-on-one,…