Complex sentence: Josep-Lluís Carod-Rovira (born May 17,1952) is a Catalan (Spain) politician, leader, since 1996, of ERC or "Esquerra Republicana de Catalunya" (Republican Left of Catalonia).
Split into simpler sentences: Josep-Lluís Carod-Rovira (born May 17,1952) is a Catalan (Spain) politician. Since 1996 to date he has been the leader of ERC "Esquerra Republicana de Catalunya" (Republican Left of Catalonia).