Today Dr. Essam El-Erian died of a heart attack in Abdel Fattah El-Sisi's prisons, nearly a year after the death of President Mohamed Morsi.
Here is one of his famous words on YouTube in 2012 warning of an imminent military coup against the elected government in Egypt

Essam El-Din Mohamed Hussein El-Erian, known as Dr. Essam El-Erian (April 28, 1954 Nahia, Imbaba Center, Giza Governorate - August 13, 2020), he was in charge of the political bureau of the Muslim Brotherhood in Egypt.
Essam El-Erian worked as a doctor, where he obtained the following certificates:
1977 Bachelor of Medicine and Surgery from the Faculty of Medicine at Cairo University (Kasr Al-Aini Hospital), specializing in hematology and medical analysis.
1986 Master of Clinical Pathology
1992 Bachelor of Law from the Faculty of Law, Cairo University.
1999 High Degree in Islamic Law from Al-Azhar University.
2000 Bachelor of Arts, Department of History, Faculty of Arts, Cairo University.
2000 authorization of Tajweed.
Dr. Essam El-Erian is registered for a diploma in public law from Cairo University. He also registered for his doctorate in medicine at Cairo University, but he could not obtain it due to his repeated detention and security restrictions
. He is married with four children and five grandchildren.