Gerontology Research Group

The Gerontology Research Group (GRG) based in Los Angeles, California, US, is a global non-profit scientific organization of researchers in various fields of gerontology, primarily concerned with validating the ages of, recording and researching supercentenarians (people who are at least 110 years old).
The group endeavors to further gerontology research with a goal of slowing and reversing aging. Many of its worldwide correspondents are respected scientists and PhD holders.