Keros Therapeutics maintains a compact, specialized workforce of clinical researchers, scientists, and corporate operators to manage its drug development pipeline. Depending on the specific quarterly reporting period and strategic adjustments, employee headcounts generally range between eighty and ninety professional staff members. The vast majority of these personnel are concentrated at its primary corporate headquarters and research laboratories in Lexington, Massachusetts, supporting specialized functions across clinical operations, regulatory affairs, biostatistics, corporate finance, and executive management.