Aubrey de Gray is a biomedical gerontologist whose efforts are directed towards reversing the aging process--in other words, to enhancing human longevity.

He is also a co-founder and chief scientist of the Methuselah Foundation, a non-profit organization dedicated to extending healthy human life.

There are numerous resources that illuminate his goals and work. 

The recent interview available in the link below provides a snapshot of some of his views.

Source: Machines Like Us