José Roberto Sosaya Wekselman (b. 1956) is a Peruvian classical composer.

Master in Composition and New Technologies from the International University of La Rioja, Diplome Supérieur de Composition from the “Ecole Normale de Musique de Paris”.

Currently in charge of the Directorate of Innovation and Technology Transfer (DITEC) of the National University of Music – Peru.

3rd award in the Coro Tapiola 2024 International Choral Composition Competition (Helsinki, Finland).

In 2023 he was selected by the Duisburger Philarmoniker in its transcultural works composition project for the creation and premiere of an orchestral work.

In 2021 he was commissioned by the 100th Donaueschingen-Germany Festival to compose a new work for 10 instruments.

Since 2019 he has been Artistic Assistant of the National Symphony Orchestra.

Between 2003 and 2010 he was Academic Director of the National Conservatory of Music (Lima, Perú), founding Director of the Electroacoustic Music Laboratory (1995-1996) and has been Professor of Composition and Musical Analysis since 1987 at the Universidad Nacional de Música.

Representative of Peru – as a member of the American Research and Creation Network – in seminars held in Buenos Aires (2006 and 2008), Santiago de Chile (2004 and 2005) and in Isla del Sol – Bolivia (2005).

Representative of South America on the Pacific Composers Conference (Sapporo, Japan 1990).

In 1994, the Spanish Ministry of Culture awarded him a scholarship for the composition of an acousmatic work at the Laboratory of Informatics and Musical Electronics in Madrid.

In 1993 he was invited by the Groupe Expérimentale de Bourges to the International Symposium of Electroacoustic Music and Festival “Synthése 93” (Bourges-France).