José Maria Castro Arencibia (Las Palmas de Gran Canaria, Gran Canaria, 1960), also known as Sema Castro, is a visual artist and painter. He trained at the Escuela Luján Pérez and studied Applied Arts and Design between 1978 and 1980. In 1984, he moved to La Laguna, Tenerife, where he worked on theatrical props and artistic elements for events. After receiving two regional painting awards, he opened his first studio in 1989 to focus on painting.

From 1990 onwards, he developed a long exhibition career working with galleries including Artizar and Manuel Ojeda, followed by Conca, Mácula, Contrast, Pilar Cubillo, and L Contemporary, among others. He has participated in art fairs, biennials, and exhibitions including ARCO, ArtMadrid, Scope New York, the Dakar Biennale, NewArt Barcelona, and Affordable Mexico City, as well as projects at the Instituto Cervantes in Casablanca, the Centro Andaluz de Arte Contemporáneo, and Les Yeux Fertiles in Paris. His work is held in the collections of TEA and CAAM.