Co-Founder & CEO

Mehdi Hashemi is a director and co-founder of 0900dentist B.V. 0900dentist B.V. is a prominent dental practice in the center of Amsterdam established for 20 years. He also set up Implex Dental, a digital dental laboratory. Dr. Hashemi also owns a dental and medical supplies business in Hong Kong in partnership. He is a member of the HLD Dental & Medical technology group of companies and has recently opened 0900implant Academy Amsterdam which is an online webinar education business. Dr. Hashemi’s interest has now expanded to create the first blockchain-powered platform for the dental industry. Dr. Hashemi has a sound knowledge of the financial and legal strategy of blockchain and it’s application in the healthcare sector.


Gerrit Maten, Msc.Eng, Twente University, MBA programs, demonstrate a successful record of accomplishment in IT/engineering, project management, operational and strategic leadership roles. Employed by Royal Dutch Navy, Royal Dutch Shell, Thomasson International, Vredestein, Arcadis, KLM Aerocarto and UAE property developer Nakheel. Mr. Maten held strategic boardroom positions and was as a Managing Director very successful turning loss into profit and growth. Mr. Maten held residence in the Middle East, Norway, China and EU. He controlled multimillion-euro projects. Strategic thinker and creative solution provider /organizer. Feels at ease with IT, engineering, block-chain applications, managing multi-cultural teams, financial structuring, business planning.


Eric-Jan is an experienced tax and accounting expert and a partner at Staerk, an accountants and advisory organization in Amsterdam and Barneveld. He worked before for large firms as Deloitte and Baker Tilly before setting up his own business in 2007. He helps Dutch tech and gaming startups, small and medium businesses and wealthy individuals with their accounting and tax advisory.

Raquel Zita


Dr. Raquel Zita is Dental Medical Doctor by the Faculty of Dental Medicine of the University of Oporto (FMDUP) and her Post-graduation in Implantology (Bränemark Institute in Gothenburg and Maxilla-Facial Surgery Ward at Västerås Hospital, Sweden)and Specialization Course in Implantology at University of Oporto (FMDUP), Master’s Degree (MSc) in Implantology at (FMDUP), PhD degree (Oral Surgery, Implantology) at (FMDUP ),Certified Oral Surgeon (specialist in oral surgery) by the Portuguese Dental Medicine Association in 2017 ,Owner of private practice Dental clinics (Clinica Médico-Dentária RZ:JM, Managing partner) in Porto and in Albergaria-a-Velha (Aveiro), performing Implantology, Surgery and Oral Rehabilitation exclusively. Also collaborating doing advance surgeries and implantology in 0900dentist b.v. clinic in Amsterdam.

Paul Mertens

Paul graduated in financial planning ,economics and Insurance from the “Hogeschool from Brabant/Amsterdam”, has worked over a long time for several bank -Insurance companies like ASR, Erasmus Rotterdam and Delta-Lloyd in Amsterdam in several postions and is very experienced. Also many years as salesmanager and business development manager in the dental implant industry by several international known companies, Started with Henry Schein, later to MIS Implants , Keystone Dental and later Phibo. During his time with several companies he had a lot of courses and training-educational programs.. Last few years he worked for Phibo in CADCAM and dental solutions and implantology as well.


Dr Roozbeh Qodratnama is a biotechnologist by training. He earned a MSc Stem Cell Technology and a PhD in Tissue Engineering. He has worked in the area such as Market Access, International Business Development and Finance in London, Dubai and Hamburg. As an innovation consultant, he supports growth of innovative SMEs through innovation and investment management and is active in the interface of medical and blockchain technolgy.


Mr. Peter Cheung Kok Wan was Business Manager of Dental Department at Franken’s and Jardine Group, Hong Kong since 1972. He was founded in 1982 as Managing Director of MECO Dental & Medical Supplies Co. Limited, Hong Kong. In 1995 and 2007, we established Shenzhen Mecodent and Shenzhen High-Tech Dental Technology Limited respectively.Director of Hainam Stomatological Hospital since 1995and as Managing director of Beijing HLD Dental Laboratory Limited since 2000.In February 2019 joined Shenzhen HLD Medical Industry Co. Limited. And 2019 April established HLD Dental and Medical Technology (HK) Limited as General Manager. With over forty- five years experiences in oral medicine, equipment operation and dental technology. He has extensive knowledge, experience and related networking resources invarious fields.

Nauman Shahid
Head of Design

Nauman is a technology enthusiast and computer engineer. He has a bachelor degree in computer engineering where his research domain was IoT based. He started his career in web development and then move towards Blockchain Development.His prior experience includes android development, Web developement and Graphic designing. He is a founder of 4visionsolutions, a tech company working for excellence. Nauman Shahid has joined the Implacoin team as a (Head of Design).


Kristian Nünning is a dental technician with 26 years of professional experience. After attending the master class for dental technology,he spent 12 years as a sales specialist at bredent for the Benelux countries and Germany.Now he is a sales specialist for prosthetics. He advises dentists and dental technicians. To give people health and well-being, Mr. Nünning is also an independent sales partner at Forever Living Products and specializes in the power of the aloe vera plant.

Artificial Intelligence Specialist

Zauraiz specializes in research on artificial intelligence and python based applications. He has work experience as a research assistant with MIMOS, a strategic agency under the Ministry of Science Technology & Information in Malaysia. He posses immense links with talented people across multiple countries and can contribute highly towards IMPLACOIN with his talented team fully targeted to research for IMPLACOIN in the fields of AI, Android, iOS, and functionality design.

PR and Content Marketing

Alexander is an experienced journalist, content marketer, and PR professional. He is a founder of a Smile Bright Media Inc., a Miami-based marketing agency working with tech companies. Alexander has joined the Implacoin team as a marketing advisor.


Marco Helder
Associate Professor

Dr Helder is an associate professor at VU Medical Center, department of oral and maxillofacial surgery, and an AMS Research Institute for Restoration and Development. He specializes in oral surgery, oral pathology, and reconstruction.

Behrouz Zandieh
Senior scientist

Dr. Behrouz Zandieh Doulabi currently works at the Field of Oral Cell Biology. His innovative fundamental and applied science research is related to connective tissues physiology, pathology and regeneration. His multidisciplinary research includes not only Biochemistry, Molecular Biology and Biomaterials but also Regenerative Medicine.

Tim Forouzanfar
PhD Maxillofacial surgery

Prof Forouzanfar is a head of the department of oral and maxillofacial surgery at VU University Medical Center in Amsterdam. He has 18 years experience in oral reconstructive surgery and conunts novel research on patient-specific implants and implant provenance tracking..

Blockchain Architect

Jean-Pierre is a blockchain architect and chief technology officer of Implacoin projects. He has a vast experience in web and application design and has been working with 0900Dentist B.V. since 2015. His prior experience includes UX/UI, SEO/SEM, IT engineering, and webmaster management. Highly driven professional in quantitative data analysis, strategist advisory, and process management Ability to multi-task and manage time in a fast-paced environment. Highly proficient in internet usage and web based applications. Ensure operational excellence in the execution of day to day. Creative problem solving capability, analytical and listening skills. Strong technical knowledge, with hands-on experience in application development..