|Born||June 18, 1982|
|Alma mater||California Institute of Technology (BS)|
Cambridge University (MASt)
Princeton University (PhD)
|Institutions||Carnegie Mellon University|
|Doctoral advisor||Benny Sudakov|
Po-Shen Loh (born June 18, 1982) is an associate professor of mathematics at Carnegie Mellon University and currently the national coach of the United States' International Math Olympiad team. Under his coaching, the team won the competition in 2015, 2016, and 2018, their first victories since 1994. He had previously won a silver medal for the US as a participant in 1999. Loh runs a popular course to train students for the William Lowell Putnam Mathematical Competition known as Putnam Seminar, and is the founder of the educational website Expii. In alternating semesters he teaches CMU's undergraduate course on discrete mathematics and the graduate seminar on extremal combinatorics.  He graduated from the California Institute of Technology with a 4.3 GPA.
- "Po-Shen Loh". Retrieved 2018-02-25.
- "International Mathematical Olympiad". www.imo-official.org. Retrieved 2017-12-24.
- Sostek, Anya (2017-08-14). "More than 300,000 students entered a math contest. The top score came from a 16-year-old in Pittsburgh Public Schools". Pittsburgh Post-Gazette. Retrieved 2017-12-28.
- "They're No. 1: U.S. Wins Math Olympiad For First Time In 21 Years". All Things Considered. National Public Radio. 2015-07-18. Retrieved 2017-12-28.
- Strauss, Valerie (2016-07-18). "U.S. students win prestigious International Math Olympiad — for second straight year". Washington Post. ISSN 0190-8286. Retrieved 2017-12-28.
- "Count One More Gold For The U.S. — In Math". FiveThirtyEight. 2016-08-25. Retrieved 2017-12-28.
- "International Mathematical Olympiad". www.imo-official.org. Retrieved 2018-03-25.
- "Carnegie Mellon University Putnam Seminar". www.math.cmu.edu. Retrieved 2018-01-08.
- Antonick, Gary (2016-07-08). "U.S. Team Wins First Place at International Math Olympiad". Wordplay Blog. The New York Times. Retrieved 2017-12-28.
- Tyre, Peg (2016). "The Math Revolution". The Atlantic. Retrieved 2017-12-28.
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