David Sierra leads Sierra Contratación Artística, a Spain-based agency with international reach that promotes musical projects born from a respect for tradition and an openness to dialogue with contemporary creation. With over fifteen years of experience in the cultural field, his work encompasses booking, production, cultural management, and show organization. The agency works closely with festivals, theaters, and institutions across various countries, presenting proposals that combine authenticity, diversity, and innovation. His main mission is to create meaningful encounters through music as a universal language capable of connecting people and cultures.