Siva Rajamanickam is a Principal Member of Technical Staff at the Center for Computing Research at Sandia National Laboratories, Albuquerque. He is the lead for the solvers of the R&D 100 award winning Trilinos framework. He is also the Principal Investigator for the Kokkos Kernels library. He has won best paper award and Graph Challenge Champions award for how his work on linear algebra and graph kernels. Dr. Rajamanickam leads several projects on developing performance portable sparse/dense linear algebra kernels and graph kernels using the Kokkos programming model for architectures such as the GPUs. Dr. Rajamanickam received his Bachelor of Engineering from Madurai Kamaraj University in India and his PhD from University of Florida. His research interests are in performance portable algorithms, sparse linear solvers and high performance computing.