Jonathan Hadas was born in Tel Aviv, 1986. Principle bass clarinet player of the Israel Philharmonic Orchestra since 2010. He began playing the clarinet at the age of 11 with Mrs. Sarah Elbaz at the Ramat Gan Music Conservatory and the Israeli Music Conservatory in Tel Aviv, and later with Mr. Richard Lesser.

At the age of 12 he had already preformed as soloist accompanied by the Ramat Gan strings ensemble and a year later was sent as representative to a concert tour in Norway on behalf of the city. Jonathan has completed his Masters degree in the Jerusalem Academy for Music and Dance, under full scholarship granted by the Chase Fund in Yevgny Yehudin’s class and in the Karlsruhe Hochschule für Musik, Germany, in Prof. Wolfgang Meyer’s class under a special student exchange program.
In 2007 he finished his service in the IDF as an “outstanding musician”, and completed his studies for a B.Mus at the Buchman–Mehta School of Music, Tel Aviv University, first with Mr. Richard Lesser and later with Mr. Yevgeny Yehudin. He was a member of the Buchman–Mehta Symphonic Orchestra, under full scholarship, in which he appeared as Principle Clarinet in the UN General Assembly Hall in New York, in Tonhalle, Zurich and in Israel under the baton of maestro Zubin Mehta.
Jonathan is a Thelma-Yellin High School of Science and Arts graduate, played in the school symphonic orchestra as a principal clarinet and played with the orchestra in tours in Europe as well as soloist under the baton of Menahem Nevenhause. He has also appeared as soloist with the Holon Chamber Orchestra, the Israeli Stage Orchestra, the Israel Chamber Orchestra and the Israel Camerata Orchestra Jerusalem. In the summer of 2010 he took part in the Lucerne Festival academy as principle clarinet under maestro Pierre Boulez.
Jonathan attended master classes coached by Anthony Pay, Wolfgang Meyer, Sabine Meyer, Sharon Kam, Philip Cupper, Mitchell Lurie, Giora Feidman, Eli Even, Hakan Rosengren and others and collaborated with artists such as Eric–Maria Cotourier and Benni Sluchin from Ensemble Intercontemporain. He has participated in festivals and seminars all over the world such as Chigiana academy, Italy, Idyllwild, California and Kfar Blum festival in Israel.
Jonathan is a recipient of AICF scholarship since 2003, and a graduate of the "young musicians section" at the Jerusalem Music Center. In 2008 he has won the Buchmann-Mehta School of Music Wind Competition, and received a special prize at the AICF Spring Competitions for the best performance of an Israeli work.
Jonathan is a member of the Israel Contemporary Players. His playing has been featured in radio and television broadcasts in Israel, Romania, Boston and Paris.
He is one of the founders of the Meitar Ensemble and has been a member since its establishment.