He studied in the Institute of Theatrical Art and Cinematography of Bucharest, now known as the Caragiale National University of Theatre and Film, and graduated with honors.

He has worked as an actor for more than forty years, both in cinema and theater.

The Director of Salut magazine and Salut Generation Pro, two editorials that made history among the Romanian newspapers, Mihăiţă also was named the honorific director of Super Magazine.

He is also the President of UNESCO Club for teenagers and during the last six years he has been the director of The Comedy Theater in Bucharest.

Also was the founder and director of FESTCO - The Festival of Romanian Comedy in Bucharest.