Lassaad Hazzar has obtained his national engineering degree from the National Engineering School of Tunis (ENIT) in 2005. Two years later, Lassad obtained his master degree from the same instituion. His graduation project was related to the development of a soil improvment software under the supervision of Professor Mounir Bouassida. In 2014, Lassad finished finished his PhD program under the supervision of Professor Mourad Karray in Sherbrooke University (QC,Canada). Nowdays, he is pursuing a post-doctoral program in Sherbrooke University through which he's working on discrete element modeling. As he contributed to the development of our first software Columns 1.01, Lassad is also working with our team to improve and ameliorate the quality such a product.