Welcome to the home of CUSIAM, the Columbia University Chapter of the Society of Industrial and Applied Mathematicians. The Society of Industrial and Applied Mathematicians (SIAM) is a national organization dedicated to promoting interest in applied mathematics and providing a community for mathematicians from various fields. The study of Applied Mathematics and computational methods are necessary and essential tools to confront and solve many real-world problems. Through its publications, research, and community, SIAM strives to promote unity and build cooperation between mathematicians and the various worlds of science and technology for the purpose of generating progress on these frontiers.