Leonidas Martin is a professor at Barcelona University where he teaches new media and political art. For many years he has been developing collective projects between art and activism, many of them well known internationally. He also writes about art and politics for cultural blogs, journals and newspapers. As a video maker he has created several documentaries and movies for television and internet. As a co-founder of three art and activist collectives Las Agencias (2001-2003), Yomango (2003-2007) and Enmedio (2007-current), he has designed and coproduced a number of Artivist and guerrilla-communication projects including, Pret-a-Revolter and The Reflectors among others.