Kevin Barker is currently a scientist at the Pacific Northwest National Laboratory. Prior to this he was in the Performance and Architecture Lab (PAL) at the Los Alamos National Laboratory. He completed his Ph.D. in computer science at the College of William and Mary specializing in the area of dynamic load balancing systems for highly adaptive parallel applications. He has been active in the research community in the areas surrounding dynamic load balancing, application performance modeling, and systems performance analysis. Kevin has worked on projects funded by the U.S. DOE, DARPA, and the NSF. His current research involves modeling and analyzing the performance of large-scale parallel applications on muli-petascale and hybrid/accelerated systems.