Placidus Amama received his Ph.D. in Environmental Engineering from Yokohama National University, Japan. He is currently an INAC postdoctoral fellow working with Prof. Sands and Prof. Fisher. Earlier, he was a postdoctoral researcher at the Department of Chemical Engineering, Yale University. His research interests include heterogeneous catalysis, carbon nanotubes and nanostructured materials, nanotube processing and device fabrication.