Simon Bolivar Youth Symphonic Band Simon Bolivar Youth Symphonic Band The Simon Bolivar Youth Symphonic Band (SBYSB) () is the principal wind band of El Sistema, is a band based in Caracas, Venezuela. Since 2008, its principal conductor has been Sergio Rosales. The Simon Bolivar Youth Symphonic Band was founded in 2005 by the general director of the Simon Bolivar Music Conservatory, Valdemar Rodríguez, and Jesús Ignacio Perez Perazzo. The SBYSB is made up of students of the Simón Bolívar Music Conservatory and is part of the Academic Program of the National System of Youth and Children’s Orchestras and Choirs of Venezuela. The SBYSB has
Leader of the Reformed Political Party Leader of the Reformed Political Party The Leader of the Reformed Political Party is the most senior politician within the Reformed Political Party (, SGP) in the Netherlands. The post is currently held by Kees van der Staaij, who succeeded Bas van der Vlies in 2010. The Leaders outwardly act as the 'figurehead' and the main representative of the party. Within the party, they must ensure political consensus. At election time the Leader is always the Lijsttrekker (top candidate) of the party list. In the Reformed Political Party the Leader is always the Parliamentary leader in the House of Representatives.