Alexander "Alex P" Papaconstantinou (Greek: Αλέξανδρος "Άλεξ" Παπακωνσταντίνου; born 29 December 1979 in Brännkyrka, Sweden) is a Greek-Swedish songwriter and music producer. He has worked with a number of artists including Jennifer López, Paulina Rubio, Enrique Iglesias, Antique, Elena Paparizou, Arash, Anna Vissi, Cameron Cartio, Eleni Foureira, Sarbel and Tamta. In 2011, Papaconstantinou adopted the production pseudonym Alex P and started collaborating with record producer RedOne, joined RedOne's production and 2101 songs writing team. His collaboration continued until 2014. Along with Adam Baptiste, Papaconstantinou has also been credited as a featured artist under the name "The WAV.s". Since 2017, he has been a member of the pop band VAX. Papaconstantinou has also written and co-written a number of notable songs for Eurovision Song Contest for Sarbel (Greece), Aysel and Arash (Azerbaijan), Ivi Adamou, Eleni Foureira and Tamta (Cyprus).