Dr. Po-Shen Loh

Dr. Po-Shen Loh is a math enthusiast and evangelist, operating across the entire mathematical spectrum from original research to mass-market education. He is a math professor at Carnegie Mellon University, where he researches topics in combinatorics, probability, and computer science. He also works with the Mathematical Association of America as the national coach of the USA Math Olympiad team. He extends his activity to the global mainstream through the new educational technology platform expii.com (opens new window), delivering free creative math puzzles and personalized math practice on every Internet device.