Dr. Harold Craighead is a Professor of Applied and Engineering Physics and the Charles Lake Jr. chaired professor of Engineering at Cornell University, where he has served as the Director of the National Nanofabrication Facility, founding Director of the Nanobiotechnology Center, PI for the Center on the Microenvironment and Metastasis, Interim Dean of Engineering He is a member of the National Academy of Engineering and the National Academy of Inventors. In 2000 he co-founded the company Nanofluidics, Inc. that is now Pacific Biosciences of California, a company based on single molecule DNA sequencing technology.  His research focuses on investigating nano-scale devices and developing new approaches for cellular and biomolecular analysis.