Alexander "Alex" Papaconstantinou (Greek: Άλεξ Παπακωνσταντίνου; born 29 December 1979 in Brännkyrka, Sweden), is a Swedish songwriter and music producer of Greek origin. He has worked with a number of artists including Antique, Elena Paparizou, Anna Vissi, Cameron Cartio and Sarbel. In 2011, Papaconstantinou adopted the production pseudonym Alex P and started collaborating with record producer RedOne, co-writing and co-producing the Enrique Iglesias hit song "I Like How It Feels".