
Three Columbia graduate students—Hanna Raisya Muljawan, TC ’23, Muhammad Rifqi Febrian, SIPA ’23, and Siti Hilya Nabila, GSAS ’22—won third place in the 2022 Geneva Challenge in November 2022 for their proposal to develop a more efficient system for waste management in Indonesia. The team represented North America and Oceania at the convention and won 2,500 Swiss Francs, the equivalent of $2,700.