From 1951 he participates in the Young Artists Exhibition then at New Realities, Old and Young of Today, the May Exhibition, etc. At the Autumn Exhibition, he is President of the painting section for several years. He is also honorary member of the Nika Exhibition in Tokyo. From the sixties, Baron-Renouard continues his journey in the field of monumental art.

Stained glass windows, mosaics and tapestries enter his creative repertoire. He completes many bespoke pieces. From 1978 he regularly exhibits his tapestries with ARELIS in San Francisco, Berlin, Chicago, Brussels, Washington and in France, notably at the Great Palace and UNESCO House.

Baron-Renouard frequents Veira Da Silva, Sonia Delaunay, Eddy Legrand, Roger Chastel, Manessier, Poiiakoff, Gérard Schneider, Singier, Jacques Villon but also Henri Bosco, Albert Camus, Ionesco. He is asked by André Malraux to organise the sixtieth anniversary of Fauvism, in Tokyo in 1965.

During his missions for the French Committee of Plastic Arts at UNESCO (New York-1963, Tokyo-1966, Varna-1973, Baghdad-1974, Moscow-1975-1976, Sofia-1977, Stuttgart-1979, Helsinki-1983, Budapest-1986, Madrid-1989, Mexico-1995) Baron-Renouard meets many of his contemporaries across the world with whom he works for the material and moral defence of artists... something which allows him to organise many exchanges and to build friendships.