The Caltech Alumni Association (CAA) exists to ensure the personal, professional, and intellectual success and well-being of the more than 25,000 Caltech alumni around the world. Caltech Alumni advance humanity through active participation in Caltech and in the communities where they live, work, and play. Together, CAA and Techers champion education, science, and technology, using their skills, experiences, training, and education for the benefit of their communities and the world. Among CAA’s programs and services are Seminar Day, Techer Alumni Tours, Distinguished Alumni Awards, Chang Prize, reunions, affinity groups, career services, and more. CAA publishes Techer alumni magazine as well as news and feature content at www.alumni.caltech.edu.