Frank Nielsen defended his PhD thesis on adaptive computational geometry prepared at INRIA Sophia-Antipolis (France). In 1997, he served in the army as a scientific member in the computer science laboratory of Ecole Polytechnique. In 1998, he joined Sony Computer Science Laboratories Inc., Tokyo (Japan), where he is senior researcher. His current research interests include geometry, vision, graphics, learning, and optimization. He authored the book Visual Computing: Geometry, Graphics, and Vision, ISBN 1584504277, 2005.