The Robert N Butler Columbia Aging Center is announcing a new pilot grant series as part of the Columbia Healthy Aging Initiative (CHAI). The Bessemer Pilot Awards to Advance Measurement of Healthy Aging are designed to foster innovations in measurement science that can inform a next generation of cohort studies to understand the etiology and course of healthy aging. We welcome proposals from all branches of science and from across the Columbia University community. Responsive proposals will develop and/or validate novel measurements of healthy aging, including population-level measures, survey scales, psychometric assessments, physical and cognitive performance tests, biochemical assays, composite indices, and/or methods to collect data or biospecimens.