Speakers

Abbas Zaher, MD

Egypt

President of the Egyptian Orthodontic
Society.
Professor and Former Chairman, University of Alexandria.
International Ad-Honorem Professor,University Del Valle, Cali, Colombia – 2021.
DDS, University of Alexandria – 1981.
MS in Orthodontics, University of
Alexandria – 1986.
PhD in Orthodontics, Joint program:
University of Iowa (USA) & University of
Alexandria – 1992.

Abdelhakim A. El-Gheriani, MD

UAE

He is a consultant orthodontist,
Diplomate American Board of Orthodontics, in private practice in Dubai since 2007 and is currently a visiting faculty at the University of Colorado USA

Alessandro Greco, MD

Italy

He earned his Dental Degree from the
University of Rome “Tor Vergata” in 1999, followed by a Postgraduate Degree in Orthodontics from the University of Ferrara in 2007, and a PhD from the University of Rome “Tor Vergata” in 2015.
He is currently a Visiting Professor at the University of Ferrara. He is a member of the Italian Board of Orthodontics (I.B.O., since 2009), the European Board of Orthodontists (E.B.O., since 2012), and the European Board of Aligner Orthodontics (E.B.A.O.).
He has been Clinical Speaker for Invisalign and a Faculty Member for Align Technology since 2013.
He has served as the Past President of both the Italian Association of Orthodontists
Specialists (A.S.I.O.) and the Italian Society of Bidimensional Technique (S.I.Te.Bi.).

Christian Samoila, MD

Romania

He is a Romanian orthodontist renowned for his expertise in modern orthodontic techniques and commitment to clinical excellence. Born on March 16, 1978, in Vrsac, Serbia, he earned his DDS from the Faculty of Dental Medicine at Victor Babeș in University in Timisoara in 2002 and completed his MDS specialization Orthodontics and Dento-Facial Orthopedics in 2005. He has pursued advanced training under esteemed mentors, including Dr. Janos Horvath in Budapest, and has obtained certifications in Invisalign (since 2011), Smilelign (2015), and Incognito (2017). He has been actively involved in orthodontic education, serving as a trainer for SmartOrtho Hands-On Courses
since 2014 and contributing to the Learning by Doing educational platform since 2018. His dedication to
advancing orthodontic practice is further exemplified by his role as a Key Opinion Leader for GC Orthodontics and Clear Correct Straumann. He is a sought-after international speaker, sharing his insights at various conferences and courses across Europe. His clinical interests encompass skeletal
anchorage, aligner therapy, and interdisciplinary treatment planning, making him a valuable contributor
to the field of orthodontics.

Firas Hamzeh, MD

UAE

He is a renowned Specialist Orthodontist based in Dubai, UAE. with a reputation of staying dedicated at the forefront of Orthodontic Technology, he is an expert in Digital and Invisible Orthodontics. He is recognized as an early adopter and advocate of innovative Orthodontic systems including Spark aligners, in which he holds the title of being the
1st Saphire Elite provider in the Middle East Region. Dr. Firas is also a key opinion leader and speaker for ORMCO. With additional training in occlusion and TMJ
from The Roth Williams Centre for Functional Occlusion, he is able to specialize in treating patients with TMD, which can work hand in hand with their Orthodontic journey.

Ignacio Guirado, MD

Argentina

Director of the Specialization Program in Orthodontics and Functional Maxillary Orthopedics at the National University of Rosario (UNR).
Doctor of Dental Surgery from UNR.
Specialist in Orthodontics and Functional Maxillary Orthopedics from UNR.
Associate Professor in the Orthodontics Department at UNR.
Course Instructor in the Specialty.
National and international speaker in the field.
Exclusive practice in Orthodontics.

Juan Carlos Perez Varela, MD

Spain

He is a Spanish orthodontist, professor, and international lecturer with dual degrees in Medicine and Dentistry, a PhD, and board certifications across Europe and Latin America. He leads practices in Santiago and Ourense, has received multiple prestigious awards, and is a recognized leader in orthodontic research andeducation worldwide.

Mohammad Al Hussaini, MD

Syria

French Board Certified in Orthodontics & Maxillo Facial Orthopedics.
M.Sc. in Orthodontics. Bordeaux University – France
Lingual Orthodontics Certificate – Paris 5 University
CES, Maxillofacial Orthodontics & Orthopedics Titular Member – European College of Orthodontics International Speaker, KOL, for GC Orthodontics & eon Aligner
European Aligner Society member Saudi Orthodontic Society Member.

Mohammed Al Shalabi, MD

UAE

He is Consultant Orthodontist | CEO| Healthcare Leader.
He is a UK-trained Consultant Orthodontist and healthcare entrepreneur with over 20 years of clinical, academic, and managerial experience. Holding advanced qualifications from the Royal College of Surgeons of Edinburgh and Cardiff University, he has led transformative orthodontic care across the UAE, including as Head of the Orthodontics Division and Clinical Manager at Al Ain Dental Centre. Currently the President of the Emirates Orthodontic Society (2025), Chair of the Orthodontic Licensing Committee at the Department of Health, and Chair of multiple regulatory committees Specific interest in the management of orthognathic surgery, cleft lip and palate and other craniofacial anomalies

Mohammed Qali, MD

Kuwait

He earned his Doctor of Dental Surgery at Virginia Commonwealth University in 2015. He then returned to Kuwait City for a one-year AEGD internship program at the Kuwait Ministry of Health, of which he completed in July 2016. In 2017, Dr. Qali joined the Kuwait University as a teaching assistant in the Department of Periodontics. He completed the combined Periodontics/Orthodontics program at the University of Pennsylvania in 2021 and obtained his Master’s degree. Dr. Qali is fully board certified by the American board of Periodontics & the American board of orthodontics. He is also a fellow of the royal college of dentist of Canada in Periodontics & Orthodontics. He is currently a faculty member at Kuwait university, University of Pennsylvania, Temple university & the
Kuwaiti Board. In addition to his faculty positions. He is a published author in prestigious journals such as Periodontology 2000.

Mulhem Dumirieh, MD

UAE

He is Orthodontist since 2011
Bachelor Degree in Dentistry (BDS), 2006.
He is Orthodontic Residency Program in Damascus, Syria (2007–2011).
Syrian Board of Orthodontics, 2014.
Orthodontist in Saudi Arabia
(2012–2018).
KOL with AO and EON.
Orthodontist in Dubai and Abu Dhabi (2018–present).
Speaker on various orthodontic topics

Narimen Djerbi, MD

Tunisia

She is a Tunisian orthodontist, international lecturer, and specialist in lingual orthodontics.
She holds postgraduate qualifications in orthodontics from Lille and in lingual orthodontics from Paris V University.
In private practice since 2013 and working exclusively with the Damon system since 2015,
she currently serves as Secretary General of the Tunisian Society of Lingual Orthodontics.
Dr. DJERBI regularly lectures at conferences across Europe and North Africa, and also hosts in-office trainings at her private clinic

Nasser Alasseri, MD

KSA

Consultant in Oral & Maxillofacial Surgery at Maleen Medical Center, Riyadh, Saudi Arabia.
Board Member, Saudi Society of Oral & Maxillofacial Surgery.
Board Member, Saudi Board Program in Oral & Maxillofacial Surgery.

Nik Vaid

UAE

President, World Federation of
Orthodontists (WFO).
Editor-in-Chief, Seminars in Orthodontics.
Adjunct Professor, Saveetha Dental College, Chennai, India.
Private Practice in Dubai and Mumbai.
Published over 170 peer-reviewed articles and textbook chapters.
Lectured in more than 55 countries worldwide.
Presented at major international forums including AAO, IOC, ALADA, AOS,APOS.

Omar Said, MD

UAE

He is a Diplomate of the American Board of Orthodontics and a Key Opinion Leader (KOL) for Clear Correct, Straumann Group’s clear aligner brand. He is working in a private practice in Dubai, UAE. He obtained his bachelor’s degree in dental surgery with the highest honors from Cairo University, Egypt. He started his orthodontic path at the University of Bordeaux in France, completed an Orthodontic Preceptorship program at the University of California Los Angeles, U.S.A. and received his Orthodontic Specialty Certificate as well as Master of Science degree from the Eastman Institute, New York, U.S.A. Dr. Omar specializes in a range of orthodontic treatments and has publications in The Angle Orthodontist journal.
Doctor Omar is a member of the Clear Correct Excellence Community.

Reem Alansari, MD

KSA

Professor and the Establishing Director of the Dental Sleep Medicine Unit at King Abdulaziz University, Jeddah, Saudi Arabia.
Adjunct Professor of Orthodontics, Touro College of Dental Medicine, New York Medical College, NY, USA.
On the Board of Directors of the Saudi Orthodontic Society.
Executive Committee Member at the World Federation of Orthodontics (on the slate of 2025-2023).

Susana Palma, MD

Spain

PhD & Postgraduate in Orthodontics, UCM Madrid.
Early Invisalign provider in Spain (since 2001).
European Clinical Speaker, Invisalign.
Assistant Professor, UCM (2003–07) & Salamanca (since 2018).
Invisalign Peer Awards: 2015 & 2017.
Invisalign APEX Doctor until 2023.
Angel Align International Speaker since 2023.

Valentina Lanteri, MD

Italy

Prof. Valentina Lanteri, DDS, MS, PhD, is a tenured Associate Professor in Oral Diseases at the University of Modena and Reggio Emilia. A
specialist in Orthodontics and Pediatric Dentistry,
she holds a PhD in Dental Sciences and has
extensive clinical and academic experience. Her
research and teaching focus on oral health,
malocclusions, and pediatric dental care.

Wassim Bouzid, MD

Algeria

Dr. Wassim Bouzid is an Algerian board certified orthodontist and world renowned Pitts Protocol instructor with a private practice in Constantine, Algeria.
He earned his dental degree in Constantine, Algeria and completed his orthodontic residency at Wuhan
University in China.
Dr. Bouzid is internationally recognized for his expertise
in smile aesthetics, laser dentistry, and Passive self legating systems.
He has lectured in more than 25 countries and has been
invited by numerous prestigious orthodontic societies
to speak on advanced topics such as Pitts protocol, biomechanics, extra radicular mini-screws and facially
driven treatment planning—highlighting his signature
“Aesthetic First” approach to aesthetic excellence.
In addition to clinical practice and international lecturing, he is developing a comprehensive orthodontic education program to advance modern, results-driven
orthodontic training.

Ziqing Xu, MD

China

Chief Orthodontist, Bybo Dental (Shanghai).PhD, MOrth RCS (Ed).
Specialist in Orthodontics & Dento-Facial Orthopedics.
Global Speaker: Smartee. Ormco, 3M.
Member: Chinese Orthodontic Society, World Federation of Orthodontists (WFO).
Lecturer since 2012.