Bill Andrews is a founder and CEO of Sierra Sciences, a biotech company aiming to find a cure for aging. He has been actively involved in researching telomeres and telomerase.Dr. Bill Andrews is a notable figure in the field of longevity and telomere research. As a scientist and entrepreneur, he has been a driving force in studying telomeres, the protective caps on the ends of chromosomes, and their role in aging and cellular health. Dr. Andrews co-discovered the enzyme telomerase, which is responsible for maintaining telomere length.