St Edmund’s College, Cambridge, UK, 2013 – 2017.

Kavli Institute For Cosmology, Cambridge, UK, 2012 – 2017.

Cavendish Laboratory, University of Cambridge, UK, 2010 – 2011.

Texas Cosmology Center, University of Texas at Austin, USA, 2009.

Astronomy Centre University of Sussex, UK, 2008.

Instituto de Astrofisica de Canarias, Spain, 2007.

Laboratoire de Physique Subatomique et Cosmologie, France, 2006.