Our member, Krishna Balasubramanian (Stat), and our former members Shiqian Ma (Rice Univ.) and Jiaxiang Li (Univ. Minnesota) with their three more collaborators won the 2024 INFORMS Computing Society (ICS) Prize for their path-breaking work in Riemannian optimization that involves minimizing an objective function over a Riemannian manifold. The ICS Prize is an annual award for the best English language paper or group of related papers dealing with the Operations Research/Computer Science interface.