Max Marty is a serial entrepreneur and active member of the cryonics community. Max is the creator of the Cryosphere, the largest cryonics community Discord server. Max also co-hosts the Cryonics Underground podcast, which conducts in-depth interviews with key figures in the cryonics field. In 2023, Max conducted a comprehensive survey of people signed up for or interested in cryonics and reported the findings on Substack.