Human rights attorney Bernard Siegel is a co-founder and the Executive Director of the nonprofit Healthspan Action Coalition (HSAC), a cross-sector alliance of more than 300 organizations dedicated to making healthy longevity a universal reality. His overarching purpose is to establish "healthspan" as a fundamental human right. He also serves as Executive Director of the Regenerative Medicine Foundation and has conceptualized more than 25 annual conferences, including the World Stem Cell Summit, that have helped forge the societal movement advancing stem cell research. He has contributed to the establishment of a legal and ethical framework for advanced therapies.