Pui-Yan Kwok is a Henry Bachrach Distinguished Professor at the University of California, San Francisco. Dr. Kwok’s research focuses on the development of new approaches to whole-genome analysis and their application to gene mapping and haplotyping.Dr. Kwok pioneered the high-throughput discovery of single nucleotide polymorphisms (SNPs) across the human genome and was a member of the International HapMap Consortium Steering Committee. The inventor of several fluorescence-based SNP genotyping methods, Dr. Kwok has recently been developing mapping and haplotyping methods based on microscopic analysis of single DNA molecules. Dr. Kwok received PhD and MD degrees from the University of Chicago and was a postdoctoral fellow at Washington University. Dr. Kwok has authored over 110 publications and holds three patents.