DHI Medical Group has always developed the most cutting edge advancements in hair restoration technology.


Mr. K.P. Giotis starts the first DHI clinic in Palo Alto, CA.


DHI begins using micro grafting, one of the first microsurgery based hair replacement techniques.


DHI Athens becomes the first hair clinic to be awarded with the ISO 9002 Certification, a quality assurance designation that demonstrates our commitment to a consistent level of quality recognized under International standards.


DHI Implanter introduced, allowing for improvements in follicle viability.


DHI Medical Group develops FUE (Follicular Unit Extraction) in conjunction with some of the finest doctors in the Hair Restoration industry.


Direct IN Technique was developed in response to surgical innovations in hair replacement. In this procedure, up to 2,000 follicles were implanted in an out-patient session of up to 6 hours.


SHF (Single Hair follicle) technique introduced at DHI Clinics and incorporated as an enhancement of the Direct IN Technique.


DHI Total Care System is launched, bringing together extensive research, advanced diagnosis, superior treatment and the promise of lifetime support to our clients.


It is our philosophy and our commitment to every customer to provide high quality services.
Our objective is the ideal result to every customer to meet his or her expectation and needs.
Our smart quality control system is in conform with the ISO 9001:2008 ( International Organization of Standardization).
In November 2009, DHI Athens Clinic was certified with an ISO 9001:2008 certificate from TÜV AUSTRIA HELLAS a prestigious European Organization.


DHI Medical Group introduced the Direct Hair Implantation, a minimally invasive technique, that sets new higher and quality standards in the field of Hair Restoration worldwide.
DHI Medical Group implements a unique diagnostic procedure, by creating an educational website,www.dhiwebinars.com, in order to guide all the potential clients how to avoid the five most common mistakes while choosing a hair restoration technique. DHI celebrates its 40th anniversary.


New DHI Building in London’s most prestigious medical district, the Harley St. Area, serves as DHI’s world Headquarters and Training center.


DHI Medical Group continues to lead and innovate in hair restoration science, contributing results and abstracts about current research and upcoming breakthroughs which it regularly shares and presents at the most prestigious hair science conferences, around the world.
In January 2012, DHI London Clinic renewed the Certification of Care Quality Commission.
In November 2012, DHI Athens Clinic was certified with an ISO 9001:2008 certificate from TÜV AUSTRIA HELLAS.


On July 25, 2013 DHI Global signed an agreement with Walnut Healthcare, a group company of Mr Raaja Kanwar of Apollo Group, a $6.6Bn group head quartered in India, having diversified businesses across the globe, and granting exclusive rights to Walnut to expand the DHI franchise internationally in Asia, Africa and South America.. DHI Global had granted a Master Franchise for India to another group company of Mr Kanwar in 2010.

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