Was born on August 12, 1946 in Yerevan. He graduated from the R. Melikian Music College in Yerevan (Prof. Ed. Bagdasarian) in 1965 and Komitas State Conservatory (Prof. G. Egiazarian), in 1973. In the Years 1976-1985 Petrossian lectured on and taught harmony, theory of music, and choral arrangement at R. Melikian Music College. He was also Conductor of the Armenian TV and Radio Orchestra. From 1985 to 1990 Petrossian became Director of the Music Center Department for the Union Composers of Armenia. From 1990 to 1993 he was the Vice President of the Armenian Peace Fund. Konstantin Petrossian’s works include symphonic, chamber, vocal and instrumental music, as well as chorales. His works are performed and have been published worldwide, included in the radio music archives, and recorded on CDs. Petrossian is a member of the Armenian Union of Composers, American Society of Composers, Authors and Publishers (ASCAP), American Music Center, Armenian Musical Assembly.       Petrossian serves as the founding President and Artistic Director of the Armenian Music Festival of Rhode Island, Inc. He also serves as the Cultural and Music Director of Sts. Sahag and Mesrob Armenian Church in Providence, USA and has also been the Artistic Director and Conductor of the Armenian Chorale of Rhode Island since 1995, and the Armenian Chorale of Greater Worcester (MA) since 2000.       In 1996 Konstantin Petrossian was named “The Armenian of the Year” in the State of Rhode Island. He has also been awarded honorary diplomas from the Governor and the Senate of the State of Rhode Island.      Petrossian has given numerous performances in many countries, including the former Soviet Union, England, France, Spain, Greece, Finland, Canada, Austria, Czech Republic, Slovakia, Poland, Hungary, Germany. Additionally, he has presented his own music in various cities of USA, and has performed at such prestigious venues as the Carnegie Hall in New York (1990, 1997).