- Founding Dean & Head of Council,Faculty of Dentistry at the British University in Egypt.
- Professor Emeritus of Oral and Maxillofacial Surgery, Faculty of Oral and Dental Medicine, Cairo University.
- First Vice President and President Elect of Deans of Dental Schools of Africa.
- Associate Trustee in the Arab Dental Federation (Official organization of the League of Arab States).
- Planner expertise in the Dental Sector Committee, Supreme Council of Universities.
- President of the Egyptian Dental Association (EDA).
- President, Platform of Collaborating Neighboring Countries (an official committee, Turkish Dental Association).
- Member of the Supreme Committee of the Supreme Council of Egyptian Universities.
- Executive member in the Pain Academy Association.
- Board member in the Faculty Council of the Faculty of Dentistry at Suez Canal University and Modern Science and Art University.
- Chief Editor of Egyptian Dental Journal ( EDJ).
- Board member of the Permanent Committee for Promotion of Professors of Oral and Maxillofacial Surgery at Al Azhar University.
- Former President in the Permanent Committee for Promotion of Professors of Oral and Maxillofacial Surgery, Supreme Council of Universities(2003-2012).
- Former Vice Dean for Post-Graduate Studies and Research, Faculty of Oral and Dental Medicine, Cairo University (1990-1996).
- Former Head of Oral and Maxillofacial Surgery Department, Faculty of Oral and Dental Medicine, Cairo University( 2000-2006).
- Appointed full Professor of Oral and Maxillofacial Surgery in 1986. (Supreme Council of Universities).
1- Tarek Abbas; Layla Omara; Nevine Alaa and Hesham Elhawary, Nov 2014. The assessment of the use of tooth ash as a graft material in bony defects after cyst enculation. Egyptian Dental Journal EDA, Nov 2014.
2- Tarek Abbas Hassan, Marwa Sayed and Hatem Abd EL-Rahman, Jan 2014. The effect of pulsed electromagnetic field (PEMF) on management of temporomandibular joint internal derangement. Egyptian Dental Journal EDA Vol. 60, 321:328, January, 2014.
3- Tarek Abbas Hassan, Mahmoud Mohsen El Arini, Hatem abdel Rahman Mostafa, Mouchira Abdellatef Dahba and Hesham El Hawary, Jan 2014. Clinical outcome of immediate non functional loaded implants; immediate versus delayed immediate implantation. Egyptian Dental Journal EDA, Vol. 60, 345:354, January, 2014.
4- Tarek Abbas Hassan, Waheed Abdel Hamid Mohamed and Dalia Abdel Khalek Radwan, Jan2014. Management of maxillofacial fractures in Cairo educational Hospitals (A prospective study). Egyptian Dental Journal EDA, Vol. 60, 373:381, January, 2014.