| October 2011 | Invited speaker at the International Workshop on Open Source for Scientific Computation, Beijing, China. (workshop website) |
| October 2011 | Presented at the Workshop on Machine Learning and Computer Vision, IST Austria. |
| July 2010 | Presented at the School of Mathematics "G. Stampacchia", Workshop on nonlinear optimization, variational inequalities and equilibrium problems. (workshop website) |
| June 2010 | Presented at the Workshop on Optimization and Learning: Theory, Algorithms and Applications, at the University of Metz, France. (workshop website) |
| July 2009 | Visiting Associate Professor at the Laboratory of Theoretical and Applied Computer Science (LITA) University of Metz, France, where I collaborated closely with Prof. Le Thi Hoai An. |
| June 2009 | Invited talk on Machine Learning Open Source Software at the ICML Workshop on Evaluation Methods in Machine Learning. |
| August 2007 | Visited Prof. Stephane Canu at INSA de Rouen, France. |