Cristian Mungiu: Cristian Mungiu. Producer: 4 Months, 3 Weeks and 2 Days. Cristian Mungiu was born on 27 April 1968 in Iasi, Romania. He is a producer and writer, known for 4 Months, 3 Weeks and 2 Days (2007), Beyond the Hills (2012) and Graduation (2016).