Kocacıklıoğlu was born in İstanbul in 1937. After having graduated from D.G.S Academy, Department of Interior Architecture (Mimar Sinan University Faculty of Fine Arts), he founded Interno together with his partner Turhan Uncuoğlu. Following the method of “comprehensive project design and production” of his countless place and design, Yıldırım Kocacıklıoğlu could create a half century old multidisciplinary melting pot, which enabled all of the artisans playing role in the construction of the spaces as well as the last users learned from each other.