James Ahrens is a senior scientist at Los Alamos National Laboratory. His primary research interests are visualization, computer graphics, data science and parallel systems. Dr. Ahrens is author of over 100 peer reviewed papers that have been cited almost 6000 times. He is the founder/design lead of ParaView, an open-source visualization tool designed to handle extremely large data. ParaView is broadly used for scientific visualization, it has been downloaded over two million times, and is in use at supercomputing and scientific centers worldwide.