- Computer Science and Artificial Intelligence lab (CSAIL), MIT, USA, 2017-2018 (host: Justin Solomon).
- School of Engineering and Applied Science, Harvard University, USA, 2017-2018 (host: Steven Gortler).
- Department of Applied Mathematics, Tel Aviv University, Israel, 2015 (host: Nir Sochen).
- Department of Computer Science, Technion, Israel, 2013-2014 (host: Ron Kimmel).
- Dipartimento di Informatica, Università degli studi di Verona, Italy, 2014 (host: Umberto Castellani).
- Faculty of Engineering, University of Florence, Italy, 2011 (host: Pietro Pala).
- Dipartimento di Informatica, Università degli studi di Verona, Italy, 2010 (host: Umberto Castellani).
- Institut National de Recherche en Informatique et Automatique (INRIA), Grenoble research center, France, 2009, 2010 (host: Radu Horaud).
- Institut National de Recherche en Informatique et Automatique (INRIA), Saclay research center / Department of Applied Mathematics, École Centrale de Paris, France, 2009 (host: Nikos Paragios).
- Department of Computer Science, Stanford University, USA, 2008 - 2009 (host: Leo Guibas).
- Dipartimento di Elettronica e Informazione, Politecnico di Milano, Italy, 2008.
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