If you’re an investor, it’s a good time to be long on longevity. The longevity economy is projected to be worth $27 trillion by 2030.  Silicon Valley entrepreneurs are all in , investing in anti-aging research , biotechnology , and cryogenics . World leaders are in too. In September, a hot mic captured Russia’s Vladimir Putin saying to China’s Xi Jinping that “In a few years, with the development of biotechnology, human organs can be constantly transplanted so that people can live younger and