They were announced last September but they have only now put up a website.
Check out Calico
We’re tackling aging, one of life’s greatest mysteries.
Calico is a research and development company whose mission is to harness advanced technologies to increase our understanding of the biology that controls lifespan. We will use that knowledge to devise interventions that enable people to lead longer and healthier lives. Executing on this mission will require an unprecedented level of interdisciplinary effort and a long-term focus for which funding is already in place.
Not much on the site yet - short bios of the principles and minimal contact information. They have some very good people -- this should be interesting to follow...