Dept of Computer Science, Cornell University, Ithaca, NY

University of Maryland, College Park, MD

University of Wisconsin - Madison, Madison, Wi

PPPL, Princeton University, Princeton, NJ

Flatiron Institute, New York City, NY

Max-Planck Institute for Plasma Physics, Greifswald, Germany

PPPL, Princeton University, Princeton, NJ

Wissenschaftlicher Mitarbeiter bei Max Planck Institute for Plasma Physics, Greifswald, Germany

200 S.W. Mudd, MC4701 New York, NY 10027

New York University, New York City, NY