DHI is introducing the new Direct Hair Implantation & Directin Systems. Respecting every hair follicle, everytime, everywhere! DHI Global Medical Group was founded by Mr K.P. Giotis in 1970 and has been dedicated solely to the research, diagnosis and treatment of hair and scalp disorders. 42 years on, the DHI techniques offer hair loss sufferers across the globe a painless procedure with natural results. DHI has invented Quality Standardization in Hair Restoration.