Professor and experienced tutor in all subjects

I am a professor at Columbia in mathematics and computer science. I was an undergraduate at Harvard and got a PhD at the University of Chicago. Before coming to Columbia, I taught at Stanford and the University of Texas. While I was in high school, I participated in the USACO and USNCO, was a National Latin scholar, and an avid science fair participant. I loved being a TA as an undergraduate and teaching as a graduate student, and while at the University of Texas, I was nominated for the ... Read More >>