Dirin ENT is run by Dr. Raymond Okujaiye. He graduated in June, 1968 from university of Ibadan Nigeria. He has been continuously involved since August, 1971, in the study and practice of Ear, Nose and Throat Surgery, both in Nigeria and Overseas.

From November, 1999 to April 2005, he was the Chief Consultant Surgeon and Head of ENT. Department National Hospital Abuja, Nigeria.

Presently he is the Consultant ENT. Surgeon, Diri ENT. Clinic Zankli Medical Centre Abuja, where he runs a full-time Out-patient and In-patient ENT. Services.