Rollin is a Data Architect and Computational Systems Engineer at the National Energy Research Scientific Computing Center (NERSC) at Lawrence Berkeley National Laboratory in Berkeley, California. The last 5+ years he has helped hundreds of users on three different supercomputers use Python and Jupyter effectively to make discoveries in all areas of science supported by the US Department of Energy's Office of Science. He has led the NERSC Application Readiness Program for Data, and is the chief architect of NERSC's Jupyter service. He likes making supercomputing more accessible to scientists, and helping them succeed with Python.