[citation needed] By the end of 1966 he was a member of the editorial committee of Melp!, the École Normale Supérieure student association's review, along with Jacques Barda, Hubert Tonka, Pierre Granveaud and Antoine Grumbach.

From 2008 to 2009, Roland Castro was appointed by the President of the Republic Nicolas Sarkozy to lead a multidisciplinary team on the future of Greater Paris.

He argued for the implementation of symbolic high places of the republic and of culture, and to restore intensity and beauty to the "suburbs".

This movement defends "89 proposals to restore social bonds", without revolution transforming society towards more republican equality and justice.

These proposals have arisen from the reflection of Roland Castro and his desire to advance "concrete utopias" and is "evolutionary" to give new meaning to politics.