Our Staff

NTUF is home to a highly motivated staff. We draw upon their expertise to offer a superior learning, working and problem-solving environment. A detailed description of our team follows:


Karl F. Böhringer, Ph.D., Site Director NNIN-UW
Professor of Chemical Engineering and Adjunct Professor of Bioengineering

Karl Böhringer is Professor of Electrical Engineering and Bioengineering with adjunct appointments in Computer Science & Engineering and in Mechanical Engineering at the University of Washington, Seattle. He received both his M.S. and Ph.D. degrees in Computer Science from Cornell University and his Diplom-Informatiker degree from the University of Karlsruhe, Germany. His current interests include micromanipulation and microassembly, as well as biomedical implants and bioMEMS for single-cell genomics and proteomics.


Scott Braswell, Research Engineer

Scott Braswell received his BS in Biochemistry at the University of Nebraska, Lincoln in 1998.  He worked for six years as a Cytogenetic Technologist, employing bright field and fluorescence microscopy to characterize chromosome lesions.  He received his Masters in Teaching from the University of Washington in 2007.   Scott is responsible for user training in SEM Imaging, E-Beam Lithography, Energy-Dispersive X-Ray Spectrometry (EDS), and support on TECNAI TEM and TEM sample preparation.


Ellen Lavoie, Research Engineer

Ellen received her BS in biology at the University of New Hampshire in 2003 and led directly into an MS program for plant biology concentrating in cell biology. Her thesis work centered on quantitating the ultrastructure of Caulerpa, a tropical marine alga, followed later by various projects of the same genus utilizing TEM, SEM, FIB, and LM. From 2006-2010 Ellen worked at Harvard University's Center for Nanoscale Systems as an electron microscopist followed by a 3½ year stint at Monash University in Australia's Centre for Electron Microscopy concentrating on TEM of materials and polymers before coming to UW in May 2014. She brings with her expert experience in biological, material, and polymer samples of all phases of preparation leading up to and including in the operation of TEM, SEM, LM, and FIB.


Sharon Li, Operation Manager

Sharon Li graduated from Chinese University in Beijing, majoring in International Economics. She started at the University of Washington in the Genome Center during 2000 and joined the Center for Nanotechnology in 2004. She manages administrative functions of Washington Nanofabrication Facility (WNF) and the Nanotechnology User Facility (NTUF).   

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