Unity Biotechnology, Inc. is a clinical-stage biotechnology company developing therapeutics to extend healthspan by slowing, halting or reversing diseases of aging. The company's approach starts with a deep understanding of the biology of aging, which is then applied to develop small molecule and biologic medicines. Unity's initial focus is on creating senolytic medicines to selectively eliminate senescent cells and thereby treat age-related diseases, such as osteoarthritis, eye diseases, and pulmonary diseases. The company was founded in 2011 and is headquartered in Brisbane, California.