Sayer Johanson is a known figure within the cryonics community, and he has been involved in the promotion and advocacy of cryonics as a potential means of life extension. Johanson has worked to bring awareness to cryonics, not only as a scientific and technological endeavor but also as a philosophical approach to the possibility of life extension. He has been vocal in expressing his belief that the preservation of individuals through cryonics could offer an opportunity for a future in which aging and death may not have the final word.