Winners of the APO
APO 2026
IPO XXXIV: Warsaw, Poland
Praneeth Annapureddy•
Jiyu Kim•
APO 2025
IPO XXXIII: Bari, Italy
Leonard Dushenkov Glozman (Yale '29)•
Zak Rahim (Columbia '30)
APO 2024
IPO XXXII: Helsinki, Finland
Leonard Dushenkov Glozman (Yale '29)
Vrishank Naithani (Harvard '28)
APO 2023
IPO XXXI: Olympia, Greece
Charles de Belloy (Yale '28)•
Benjamin Ming Who (Harvard '28)
APO 2022
IPO XXX: Lisbon, Portugal
Charles de Belloy (Yale '28)
Bernardo Jimenez
APO 2020
IPO XXVIII: Slovenia, online
David Chmielewski
Lauren Stoneman (U. Wisconsin - Madison '25)
APO 2019
IPO XXVII: Rome, Italy
David Chmielewski
Seyed Parsa M. Esfahani
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APO 2018
IPO XXVI: Bar, Montenegro
Seyed Parsa M. Esfahani
Finn Hulse (Dartmouth '23)
APO 2017
IPO XXV: Rotterdam, The Netherlands
Gustavo Berho
Anna Stoneman (UChicago '21)
APO 2016
IPO XXIV: Ghent, Belgium
Caroline Norfleet (Macalester '20)
Anna Stoneman (UChicago '21)
APO 2015
IPO XXIII: Tartu, Estonia
Lisa Mordkovich
Jeffrey Poomkudy
APO 2014
IPO XXII: Vilnius, Lithuania
D. Gottleib
Lisa Mordkovich
APO 2013
IPO XXI: Odense, Denmark
Ani Alaberkyan
Chang Jeong
APO 2011
IPO XIX: Vienna, Austria
Kelly Alexis Greiss (USC)
Andrew R. Loeshelle (Lafayette College)
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• Bronze Medal at the IPO
​• Honorable Mention at the IPO
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* There was no APO 2021 due to the COVID-19 pandemic.
** The APO did not run in 2012 because 2011 had been a trial year for the program.