Liz Parrish is a biotechnology entrepreneur and longevity advocate best known as the founder and CEO of BioViva. Her work focuses on developing gene therapies aimed at preventing age-related diseases and extending healthy human lifespan. Parrish became widely known in 2015 when she volunteered as the first patient in BioViva’s experimental anti-aging gene therapy treatments, intended to lengthen telomeres and improve muscle health.