Categorification of cluster algebras via 2-Calabi-Yau categories has proved to be a powerful technique for understanding cluster algebras and proving important structural results about them. Pierre-Guy Plamondon will give a mini-course on this subject. A number of complementary lectures by other visitors will also be scheduled. Participants who wish to give a lecture during this week should contact Hugh Thomas (thomas.hugh_r@uqam.ca) with a proposed topic.