Dr. Horvath is a biogerontologist, whose research lies at the intersection of several fields including epigenetic biomarkers of aging, preclinical and clinical studies, genomics, epidemiology, and comparative biology. Dr Horvath is a principal investigator at Altos Labs. He and his UCLA colleagues published the first epigenetic clock for saliva in 2011. In 2013, he published the first pan-tissue clock, also known as the Horvath clock. Recently, he presented a universal clock that applies to all mammals. The recipient of several awards, he has been on Clarivate’s annual list of the world’s most influential scientific researchers every year since 2018.