Andrew Heejay Lee

until this year everything i did happened on a python notebook. this year i decided to try something new: lime, two months as an ai engineer at dnk, a first trip to sf, and the context-sharing app i'm building now.

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a phishing detector that explains itself, because telling someone “this is a scam” teaches them nothing. 99.31% accurate, and every verdict comes back with the reason in plain english. first author, bu rise data science practicum.

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given raw motion-sensor data, find where one movement ends and the next begins. i benchmarked seven existing methods against each other, then tested whether a neural network could beat them. korea science service international research program.

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catching a voice-phishing call while it is still happening, on a model small enough to run on an ordinary laptop with no graphics card. 98.46% accurate. ksef silver medal.

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