The necessary conditions to be available in a leader are directly connected to the nature of the Islamic government. Disregarding the general conditions like wisdom and proper management, two basic conditions, i.e. justice and to know the law, should also be available.
Ayatullah Haajj Sayyid Ali Khamenei is the son of the late Ayatullah Sayyid Jawad Husaini Khamenei. He was born in Mashhad on the 17th of July 1939, which coincides with the 28th of Safar 1358 Hijri Qamari (lunar year). He was the second son of his parents, born into the house of Sayyid Jawad who lived a very simple life, like many of the scholars of his time, and it was from him that the family learned to live in a humble manner.
Leadership in the Constitution of the Islamic Republic of Iran
Article 2: The Islamic Republic Article 5: The Just and Pious Faqīh Article 57: Branches of the Government in the Islamic Republic Article 60: The Executive Article 91: The Guardian Council Article 107: Electing the Supreme Leader by the Assembly of Experts Article 109: Qualifications and Conditions of the Leader Article 110: Duties and Powers of the Leader Article 111: Death, Resignation or Dismissal of the Leader Article 112: The Expediency Council Article 113: The President Article 131: Death, Dismissal or Resignation of the President Article 142: Property of the Leader, the President and Some Other Officials Article 157: Head of the Judiciary Article 175: Islamic Republic of Iran Broadcasting (IRIB) Article 177: Revision of the Constitution