Complex sentence: Pigna teaches at the Escuela Superior de Comercio Carlos Pellegrini, directing the "Ver la Historia" project that produced 13 documentaries covering the 1776--2001 period of the History of Argentina.
Split into simpler sentences: Pigna teaches at the Escuela Superior de Comercio Carlos Pellegrini, directing the "Ver la Historia" project. This produced 13 documentaries covering the 1776--2001 period of the History of Argentina.