Panayiotis Velianitis was born in Athens in 1963.

He is one of the first Greek composers of computer and computer aided music. He is a member of the Hellenic Electroacoustic Music Composers Association (HeLMCA)* and of the Centre of Contemporary Music Research (CCMR)* founded by Iannis Xenakis, where he was specialized in the computerized composition system UPIC (Unité Polyagogique Informatique du CEMAMu) developed by I. Xenakis as well as in computer music, sound synthesis and composition.

He is a student of Theodoros Antoniou, Haris Xanthoudakis and Stefanos Vasiliadis in composition. He also studied Statistics at the Athens University of Economics. Since 1986 he participates in concerts of contemporary music in many countries.

He has composed music for experimental movies, animation and many theatrical performances of ancient Greek drama and contemporary theater. His music extends from acoustic to electroacoustic and mixed media compositions.

He also develops interactive applications using software platforms such as the MAX/MSP. One of them is the Opticoacoustic Reactor (OAR)* that transforms movement captured by a camera into sound controller’s data.

Since 1991 he works with the director Theodoros Terzopoulos and the  ATTIS*  theatre.

Since 2003 he works also as a music teacher at primary education.