I'm a staff astronomer at the National Radio Astronomy Observatory (NRAO) in Charlottesville, Virginia and a Research Professor in the Astronomy Dept at the University of Virginia (UVA) specializing in pulsars. I'm a founding member of the North American effort to directly detect nanoHertz gravitational waves using MSPs called NANOGrav, and just finished a 1-year stint as the Chair of the IPTA Steering Committee.
Since August 2014, I've been on sabbatical. In the Fall of 2014, I was a Visiting Fellow at All Souls College and the Dept of Physics at Oxford. Starting this past January, I've been at UC Berkeley as a Visiting Miller Professor, and will continue on here until mid-June 2015. As per usual, I'm still working on pulsars, but a lot of it has to do with future telescopes like the SKA and improvements to PRESTO. While I'm away, if you need to get in touch with me, just send me an email (but be prepared to possibly wait slightly longer than you would during non-sabbatical time...).
520 Edgemont Rd.
Charlottesville, VA USA 22903