Who was the President of Azerbaijan after Aliyev?

There is not yet a successor chosen for the current president Ilham Aliyev.
Ilham Aliyev was the President of Azerbaijan after Heydar Aliyev.
Heydar Aliyev was the President of Azerbaijan after Abulfaz Aliyev (Elchibey).
Ilham Alyev is the 4th President of Azerbaijan since 2003 October 31, having been elected in the 2003, 2008, and 2013 elections.

Heydar was the 3rd President of Azerbaijan from 1993 June 24 to 2003 October 31. After Heydar's death due to heart failure, his son, Ilham, became the 4th President.