Po-Shen Loh

Po-Shen Loh (born June 18, 1982) is an associate professor of mathematics at Carnegie Mellon University[2] and the national coach of the United States' International Math Olympiad team.[3][4] Under his coaching, the team won the competition in 2015,[5] 2016, 2018,[6] and 2019[7]—their first victories since 1994.[8][9] He had previously won a silver medal for the US as a participant in 1999.[10] Loh runs a popular course to train students for the William Lowell Putnam Mathematical Competition known as Putnam Seminar[11] and is the founder of the educational website Expii.[8][12][13] He also teaches courses on discrete mathematics and extremal combinatorics at Carnegie Mellon.[14] He graduated from the California Institute of Technology with a 4.3 GPA and was a Hertz Fellow at Princeton.

Po-Shen Loh
Po-Shen Loh
Born (1982-06-18) June 18, 1982
Alma materCalifornia Institute of Technology (BS)
Cambridge University (MASt)
Princeton University (PhD)
Children3[1]
Scientific career
InstitutionsCarnegie Mellon University
Doctoral advisorBenny Sudakov

Loh is the lead developer of a contact-tracing app called [15] NOVID that uses ultrasound technology to track COVID-19 infections. The name "NOVID" is a portmanteau of "no" and "COVID."

References
  1. Sostek, Anya (May 13, 2019). "It took 36 years, but a girl has won the Pennsylvania middle school math championship". Pittsburgh Post-Gazette.
  2. "Po-Shen Loh". Retrieved February 25, 2018.
  3. "International Mathematical Olympiad". www.imo-official.org. Retrieved December 24, 2017.
  4. Sostek, Anya (August 14, 2017). "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 December 28, 2017.
  5. "They're No. 1: U.S. Wins Math Olympiad For First Time In 21 Years". All Things Considered. National Public Radio. July 18, 2015. Retrieved December 28, 2017.
  6. https://www.imo-official.org/year_country_r.aspx?year=2018
  7. https://www.imo-official.org/year_country_r.aspx?year=2019
  8. Strauss, Valerie (July 18, 2016). "U.S. students win prestigious International Math Olympiad — for second straight year". Washington Post. ISSN 0190-8286. Retrieved December 28, 2017.
  9. "Count One More Gold For The U.S. — In Math". FiveThirtyEight. August 25, 2016. Retrieved December 28, 2017.
  10. "International Mathematical Olympiad". www.imo-official.org. Retrieved March 25, 2018.
  11. "Carnegie Mellon University Putnam Seminar". www.math.cmu.edu. Retrieved January 8, 2018.
  12. Antonick, Gary (July 18, 2016). "U.S. Team Wins First Place at International Math Olympiad". Wordplay Blog. The New York Times. Retrieved December 28, 2017.
  13. Tyre, Peg (March 2016). "The Math Revolution". The Atlantic. Retrieved December 28, 2017.
  14. http://www.math.cmu.edu/~ploh/teaching.shtml
  15. https://www.cmu.edu/news/stories/archives/2020/april/app-anonymously-traces-covid19.html
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