Ministry of Petroleum

Iran's Ministry of Petroleum (Vezarat-e Naft) manages the National Iranian Oil Company (NIOC) and oversees all upstream and downstream oil, gas, and petrochemical activities. Oil revenue has historically funded the majority of the state budget. Key ministers: Gholam Reza Aghazadeh (1985–1997), Bijan Namdar Zanganeh (1997–2005, 2013–2021), Kazem Vaziri Hamaneh (2005–2008), Gholamhossein Nozari (2008–2009), Masoud Mir-Kazemi (2009–2011), Rostam Ghasemi (2011–2013), Javad Owji (2021–2024), Mohsen Paknejad (2024–present).