Setting course during two years of PSIPerimeter Scholars International celebrates its 15th anniversarySeeding the World with TalentAlumni of PI: Quantum steampunker Nicole Yunger Halpern Main Navigation Menu Perimeter Circle - Events Perimeter Circle - Alumni Stories Perimeter Circle - Alumni Listings Perimeter Circle - Stay Connected Perimeter Circle Awards show dropdown Perimeter Circle Awards Academic Excellence Award Industry Trailblazer Award Pathfinder Award Nominate Perimeter Circle Award Event