Dr. Ahmed A. Holiel, PhD, is an Associate Professor of Restorative and Esthetic Dentistry and Director of the Operative and Esthetic Dentistry Division at Beirut Arab University, and an Associate Professor at Alexandria University, Egypt. His expertise spans adhesive, biomimetic, and regenerative dentistry, dental biomaterials, digital dentistry, and AI applications. His doctoral research pioneered dentin–pulp complex regeneration using a novel pulp-capping material. He has extensive international publications, postgraduate supervision, peer-review, and editorial experience, serving on journal editorial boards of BMC Oral Health Q1 and as a Guest Editor for international scientific journals.

Adhesive, restorative, and esthetic dentistry; biomimetic and minimally invasive restorative techniques; regenerative dentistry and dentin–pulp complex engineering; dental biomaterials and bioactive materials; digital dentistry and 3D printing; AI and machine learning applications in dentistry; enamel remineralization; dental materials characterization; mechanical and optical properties; and clinical performance of emerging materials, technologies, instruments, imaging systems, and techniques.

Doctor of Philosophy (PhD) in Conservative Dentistry, Alexandria University, Egypt (2021), awarded for pioneering research on dentin–pulp complex regeneration using a novel pulp-capping material. Master of Science (MSc) in Conservative Dentistry, Alexandria University, Egypt (2016), with research focused on multimode adhesive systems. Bachelor`s Degree in oral and dental surgery (Honors), Faculty of Dentistry, Alexandria University, Egypt.

Operative Dentistry, Restorative and Esthetic Dentistry, Adhesive Dentistry, Dental Materials, Laser Applications, AI and Machine Learning Applications in Dentistry, Digital Dentistry, 3D Printing Technologies, Biomimetic and Minimally Invasive Restorative Techniques, Direct and Indirect Restorations, Esthetic Rehabilitation, and Evidence-Based Clinical Practice.

2026: Distinguished and most active researcher award, BAU. 2021: First researcher at the Faculty of Dentistry, Alex University, to be exempted from PhD thesis defense after publishing in top 50% ISI-indexed journals. 2021: Back-up, Egyptian Hatton Award Competition, IADR. 2022: Certificate of Recognition for publications in top 50% journals. 2019: Student-selected Appreciation Trophy. 2018: Certificate of Recognition for outstanding representation of Conservative Department at scientific events