Cristina Giachetti is the Deputy Director of Diagnostics at the Bill and Melinda Gates Foundation, where she oversees the development and implementation of diagnostic tools to support the Foundation’s programs in Global Health. Previously, she was Senior Vice President, Research and Development for the Diagnostics Division of Hologic and Vice President, Research and Development for Gen-Probe, with responsibilities over Research, Development, Clinical, Medical and Scientific Affairs. During her tenure at Gen-Probe/Hologic she oversaw the development of numerous molecular diagnostics and blood-screening tests that were successfully commercialized worldwide for the TIGRIS and Panther instruments under the APTIMA and PROCLEIX brand names. In particular, she led the technical team that developed the first FDA licensed blood-screening test for detection of HIV-1 and HCV nucleic acids, and her work in increasing the safety of the blood supply awarded Gen-Probe the National Medal for Technology from the US President. Cristina received her degrees in Clinical Analysis and Biochemistry, and Ph.D. in Biochemistry from the University of Buenos Aires. She completed postdoctoral training in molecular virology and rapid viral evolution at the University of California, San Diego, Department of Biology and at the University of California, Irvine, Department of Microbiology and Molecular Genetics.