He used to be in charge at Geron and helped fund the research which led to first human embryonicstemcellline being created in 1998 and now heads another company, BioTime.
The other thing it does is it makes it extremely easy now to tailor a stemcell to an individual because all I have to do is get a few skin cells from you and then put in these magic factors, and suddenly I've got an embryonicstemcellline that's tailor made directly to you.