Who was the President of Afghanistan before Hamid Karzai?

Burhanuddin Rabbani was the President of the Islamic State of Afghanistan before Hamid Karzai.

Before Karzai's presidency, Afghanistan was divided into 2 factions, the Islamic State and the Islamic Emirate. The Islamic State controlled the core 10% of Afghanistan and was recognized internationally, while the Islamic Emirate controlled 90% of Afghanistan. The Islamic Emirate was led during Burhanuddin Rabbani's presidency after 1996 by Mohammad Rabbani, then Abdul Kabir.