Career

- Demonstrator of Pediatric Dentistry, Alexandria University, Egypt (1991-1996)

- Assistant Lecturer of Pediatric Dentistry, Alexandria University, Egypt (1996-2001)

- Research Scholar in School of Dentistry, Indiana University, USA (1998-2000)

- Lecturer of Pediatric Dentistry, Alexandria University, Egypt (2001-2006)

- Assistant Professor of Pediatric Dentistry, Alexandria University, Egypt (2006- 2011)

- Professor of Pediatric Dentistry, Alexandria University, Egypt  (2011- present)

- Professor of Pediatric Dentistry, King Abdulaziz University, Saudi Arabia (2011- present)