Michael D. West, PhD, is a gerontologist, stem cell scientist, cellular aging and telomere researcher, previous CEO of Advanced Cell Technology, founder of Geron (NASDAQ: GERN) and CEO of BioTime, Inc.(NYSE MKT: BTX) of Alameda, California, a biotechnology company engaged in stem cell research and development in the field of regenerative medicine. BioTime stock is traded on the NYSE MKT exchange under ticker symbol BTX.