The University of the Philippines Diliman IE-OR team completes a four-peat, winning the championship in the recently-held Philippine Institute of Industrial Engineers (PIIE) National Students IE Quiz Contest held last February 18, 2012 at the Le Pavillion Metropolitan Park in Pasay City.

24 teams from universities and colleges nationwide competed for the championship. The University of Sto. Thomas and Batangas State University Lipa placed second and third, respectively.

The following were members of UP Diliman IE-OR Team: Paolo Gabriel Cacnio, Gil Kenneth San Miguel, Rhio Alleli Santos, Miguel Isidro Carino, Andrew Yap and Dean Harold Danzen Medina. Claro Arriola III served as the faculty coach of the team.