He was born in Istanbul in 1965. He started his flute education in Istanbul Municipal Conservatory when he was ten. He continued his education as part-time student for a while. With the advice and support of Muammer Sun, whom he met in his last year at Kadıköy Anatolian High School (Maarif College), where he studied middle and high school, he decided to continue his composition studies full time. He was accepted to the composing department of Mimar Sinan University Istanbul State Conservatory. He studied with Ahmed Adnan Saygun in high school and undergraduate periods; He worked with Cengiz Tanç in his master’s program. Meanwhile, Cemal Reşit Rey, Bülent Tarcan, Ahmet Yürür, İlhan Usmanbaş and Afşar Timuçin also attended the lectures. Uçarsu, who was a research assistant at the same institution, in 1994 he went to the University of Pennsylvania for studying under the supervision of George Crumb and Richard Wernick, and completed his doctorate in 1997. The composer, who returned to his position in the Composition and Conducting Department of Mimar Sinan University State Conservatory the same year, became associate professor in 1998 and professor in 2009. In the spring of 2007, he was invited by the Memphis University Music School as a guest composer and lecturer, held seminars at the Ayvalık International Academy of Music (AIMA) composition workshop, MUSMA-V Composers Workshop, Warsaw Chopin University of Music and Paris Boulogne-Billiancourt Conservatory, conducted composing workshops and lectured.
He was invited to conferences by Paris VIII and Brunell University (London) on his own understanding of composition and modern Turkish composition. He has been a member of the selection committee in national composition competitions for many years.
His compositions were played by Turkey’s leading orchestras and ensembles such as Presidential Symphony Orchestra, Istanbul, Bursa, Izmir, Adana State Symphony Orchestras, Borusan Istanbul Philharmonic Orchestra, Bilkent Academic Symphony Orchestra, Akbank Chamber Orchestra, Mediterranean Philharmonic Orchestra, Tefken Philharmonic Orchestra, Ankara State Polyphonic Choir, Rezonans, Bosphoruz Jazz Choir, Diskant Ensemble, ARKAS Trio,Hezarfen, Borusan Quartet and also in Mexico State Symphony Orchestra, Trier Philharmonic Orchestra, the Deutsche Oper Berlin Orchestra Academy, Moldavia Philharmonic Symphony Orchestra, Moscow, New Music Society Community, Tampa Bay Wind Instruments Quintet, Silk Road Ensemble (New York), Ensemble Mosaik (Berlin), New Music Ensemble-Boston, ART Wind Quintet (Skopje), Lisbon Contemporary Music Group, Royal Liverpool Symphony Orchestra 10:10 Group, Pro Artibus Chamber Orchestra (Hannover ), Ensemble Sonanza (Stockholm), Pittsburg State University Chamber Orchestra, Ensemble Accroche No te (Strasbourg), Ensemble Mediterrain-Berlin, Seatlle Chamber Players, Ensemble Phoenix (Basel), Swiss Youth Choir, Schola Cantorum (Vienna), Antifonia (Romania), Kamer (Riga), University of Bremen and Esoterics (Seattle) His works performed by orchestras and ensembles, in Ankara, Istanbul, Izmir, Eskisehir, Mersin International Music Festivals, USA Composers Association Forum and Conferences, Ankara New Music Festival, “Istanbul Berlin”, Europamusicale, YOUrope-Essen, Cultural Meeting of Southeast European Countries ( Thessaloniki), Balkan Music Week (Skopje), 17th Mexico City International Music Festival, 8th and 10th World Harp Congresses, Berliner Klassiksommer (2012), Culturescapes (Switzerland), International Niche Choir Festival, Turkfest (London), Icebreaker III (Seattle), TurkeyNow (Vienna), 2010 World Choral Olympics (China), EJCF European Youth Choir Festival (2016), 2012 World Choral Olympics (USA), Maerz Music Festival (Berlin 2013), his compositions were presented in many concerts for different purposes.
David Halstead, Helen G. Weiss, Polyphonos (Choral Composition Competition 2014-Seattle) composition awards winner, 1st and 2nd Dr. Nejat Eczacıbaşı, winner of the national composition contest (shared the first prize in the 2nd competition), Hasan Uçarsu was selected for 2nd prize in the Large-Scale Symphonic Work category in the composition competition organized by the Ministry of Culture. He also selected for Composer of the Year at the 7th Donizetti Classical Music Awards, and the Adnan Saygun Special Award by the Berksoy Opera Foundation, was also honored with the “Dean’s Scholar” rank by the University of Pennsylvania.
Among the institutions that want new works from the composer, TRT, T.C. Ministry of Culture, Istanbul Foundation for Culture and Arts (2020 Beethoven Year), Tefken Culture and Art Foundation, Antalya International Piano Festival, Izmir Culture and Art Foundation (for the 30th anniversary of Izmir Festival), Mediterranean Youth Orchestra (OJMED-France), Trier Philharmonic Orchestra, Borusan Istanbul Philharmonic Orchestra, Borusan Quartet, Kamer Choir (within the framework of Riga 2014 European Capital of Culture Project), The Esoterics (Seattle), Ensemble Mediterrain-Berlin (for the 10th anniversary celebration concerts at the Berlin Philharmonic), Pro Artibus chamber Orchestra (Hannover) and the “Silk Road Project” under Yo-Yo Ma’s art direction.