The Vanderbilt University School of Engineering announces the appointment of three new faculty members to its full-time teaching staff. They are William Grissom, Matthew Walker and Pietro Valdastri.
![William Grissom](https://cdn.vanderbilt.edu/vu-sub/wp-content/uploads/sites/282/0000/00/20235413/WilliamGrissom_tmb.jpg)
Assistant professor of biomedical engineering William Grissom’s research interests include applications of signal processing and numerical optimization in magnetic resonance imaging, with a particular focus on interventional and high field MRI. Grissom joins Vanderbilt from General Electric Global Research in Munich, Germany, where he was a research engineer in the Imaging Technologies group. He completed a Ph.D. in biomedical engineering in 2008 at the University of Michigan.
![Pietro Valdastri](http://engineering.vanderbilt.edu/Libraries/ME_faculty/PietroValdastri-tmb.jpg)
Assistant professor of mechanical engineering Pietro Valdastri specializes in surgical robotics research, particularly in developing wireless capsule robots for gastrointestinal endoscopy, single-incision robotic surgery technology and magnetically linked surgical robots. Valdastri joins Vanderbilt from Scuola Superiore Sant’Anna, Pisa, Italy, where he was an assistant professor of mechanical engineering. He received a Ph.D. from Scuola Superiore Sant’Anna in 2006.
![Matthew Walker](http://engineering.vanderbilt.edu/Libraries/BME_head_shots/MatthewWalker-tmb.jpg)
Associate professor of the practice of biomedical engineering Matthew Walker III joins Vanderbilt from Merck. His research focuses on photo-acoustic and nanoparticle delivery. Currently, he is developing an innovative BME design curriculum which leverages connections between Vanderbilt BME, the medical school and the biotechnology community. He received a Ph.D. in molecular physiology and biophysics in 1999 from Tulane University, and served as a post doctoral fellow in biomedical engineering in 2003 at Harvard-MIT.