Meet Our Educators

Global leaders in digital dentistry - our team of talented dentists, specialists and technicians from around the world will help you launch your digital dentistry journey and kick-start your learning.

dr hamid al-hassiny
Dr Hamid Al-Hassiny


New zealand

Dr Hamid is an early adopter of CAD/CAM and has been using this technology for over 10 years. He is the Founder of iDD and is highly experienced in digital dentistry. Dr Hamid runs a multiple practices in Wellington, New Zealand, including a state of the art 12-chair dental practice. Across all his practices the philosophy is simple; utilising the most advanced dental technology, to provide the best patient experience.

dr ahmad al-hassiny
Dr Ahmad Al-Hassiny


New zealand

Dr Ahmad is a global leader in digital dentistry and intraoral scanners, carrying out lectures as a KOL for many companies and industry. He is one of the few in the world who has advanced clinical experience with all mainstream scanners and CAD/CAM systems . As the Founding Director of iDD and a full time dentist in private practice he has real-life clinical experience in digital dentistry, its applications and countless benefits.

Dr John Bio Photo
Dr John Hagiliassis

BDSc, Grad Dip Aesth Orth


Dr John is a highly experienced clinician in clear aligner therapy and has treated over 4000 aligner cases to date. He is the founder of Aesthetic Orthodontic and Restorative Training Academy (AORTA) and runs the Australasian Clear Aligner Society. He is also a KOL for multiple aligner companies and is one of the most experienced Invisalign clinicians in Australasia. He offers a wealth of knowledge in the field of orthodontics.

olga kadlecova institute of digital dentistry idd online
Olga Kadlecová


CZech Republic

Olga is a dental technician with a passion for CAD/CAM. She has advanced experience with a long list of different CAD/CAM software and milling machines including 3Shape Lab Software, Implant Sudio, exocad, Straumann, and Nobel Biocare CAD. Olga has been working in digital labs for the past 8 years and helps train both dentists and other technicians on how to adopt digital dentistry. She provides key insights from a dental technician point of view.

dr nitish surathu institute of digital dentistry instructor iDD Online
Dr Nitish Surathu

BDS, MDS Perio

New zealand

Dr Nitish is a former Associate Professor of Periodontics and is currently a general practitioner in Gisborne, New Zealand. Nitish has lectured on several platforms around the world, having presented in North America, Europe, Australasia and Africa. He is by examination, a credentialed Fellow and Diplomate of the ICOI (International Congress of Oral Implantologists) and an Associate Fellow of the American Academy of Implant Dentistry.

Anton Martin
Anton Martin

DTech, CEREC Specialist

New Zealand

Anton is a dental technician with two decades of experienced in digital dentistry. His previous roles include working for Ivoclar Vivadent as a Technical Specialist for 2 years and DentSply Sirona as the NZ CEREC Specialist for 7 years. When it comes to the CEREC system, there are few people who know it as well as he does, having trained hundreds of dentists to utilize the system and workflow. He helps train our members on utilizing CEREC.

Houssam Sahwil

DTech, DDS Lab

United States of America

Houssam is the Technical Director of Implant and Digital Technology for the DDS Lab. He has worked with the largest DSOs across the United States and some of the most experienced dentists in the country. He helps train dental professionals about implantology, how to correctly take a digital impression and all-on-x restorations. Houssam is highly experienced in complex implant cases and CAD/CAM full arch restorations.

Dr 'Tiv' Thivagar Nirmalann



Dr Tiv is a renowned dentist with 17 years of experience and is the director of a successful 6 chair dental clinic. A respected voice across dental forums, he has been a dental correspondent for the ADA and ADC, chair of the ADA Group R on the Mornington Peninsula and a speaker at many conferences to date. Coaching dentists is one of his true passions, and he is very experienced with dental photography and how this can be utilized in the dental practice. 

abdulla barazanchi profile
Dr Abdullah Barazanchi

BDS, DClinDent (Prostho)

New zealand

Dr Abdullah Barazanchi is a lecturer and course coordinator at the University of Otago’s Faculty of Dentistry, New Zealand. Additionally, he is a practicing specialist prosthodontist in private practice. His main research interests and thesis topic is regarding 3D printing of CoCr were he has published a number of articles in international scientific journals as well as lecturing on the subject in national and international conferences.

We are always looking to collaborate with global thought leaders in the digital space and provide our members with the best digital dentistry courses in the world.

If you would like to join our team and collaborate with iDD - Contact Us Today!