Mahantesh Halappanavar is a senior research scientist in the Advanced Computing, Mathematics, and Data Division at the Pacific Northwest National Laboratory. Mahantesh is a member of the Data Sciences Group and led the Data Analytics team. His research interests broadly include parallel graph algorithms, data-intensive computing, scientific computing, high performance computing, and machine learning. He was a member of the High Performance Computing group from 2009 to 2014. Mahantesh is also an adjunct faculty member in the department of computer science at Old Dominion University, and formerly with the department of computer science at Washington State University.