Quant Markov on Instagram: "My man 😎 knows he is in the matrix 😭.. Po-Shen Loh is an American mathematician, educator, and public speaker known for redefining how people think about mathematics. He is a Professor of Mathematics at Carnegie Mellon University and earned his PhD from Caltech. Po-Shen Loh served as the former National Coach of the U.S. International Mathematical Olympiad (IMO) team, leading the team to multiple top global finishes. He believes math is not about memor