Sierra Sciences LLC (www.sierrasci.com) is a company devoted to finding ways to extend our health span and lifespan beyond the theoretical maximum of 125 years.  Sierra Sciences was founded by Dr. William H. Andrews to continue his anti-aging research and to commercially exploit the results by developing a pharmaceutical to prevent and/or reverse cellular aging. We are pursuing basic research to develop a pharmaceutical that will cause the endogenous telomerase gene to express an enzyme called telomerase which has been shown to extend telomeres, thus restoring cells to youthful vigor. To date, they have screened over 300,000 chemical compounds and natural products, and found over 800 telomerase inducers representing 39 drug families.