法國著名音樂評論雜誌Classic Agenda寫道 「充滿靈性」的旅美作曲家張玹，1989 年生於台北，其作品曾受邀於紐約卡內基音樂廳，芝加哥交響中心，東京三多利音樂廳,，莫斯科愛樂廳，法國 Royuamont，柏林愛樂室內樂廳，日內瓦 Archipel Festival，國家音樂廳等全球知名音樂殿堂演出。合作過的樂團與獨奏家包括台灣國家交響樂團，台北市立交響樂團，芝加哥市民管弦樂團，普林斯頓室內合唱團，斯圖加特人聲獨唱團，TANA弦樂四重奏，莫斯科現代室內樂團，Ensemble Multilaterale，指揮大師Péter Eötvös，Gilbert Varga。2020年雲門舞集《定光》擔任聲音暨人聲創作，帶領表演者用身體尋找聲音的共鳴；2021 TIFA 《千年舞台，我卻沒怎麼活過》以及 2021 TIFA《我庒三部曲》擔任作曲。

2016 年創辦音元 Innuan，活躍於紐約，結合空間/藝術/音樂/科技舉辦策展演出。演出策展場地包含紐約哥倫比亞大學祖克曼中心，康乃爾大學強森美術館，紐約普瑞特藝術學院畫廊，義大利現代藝術中心，Fotografiska，紐約百老匯大道等。

除了藝術與嚴肅音樂領域，張玹也積極投入慈善公益活動：2015年為喜憨兒基金會創作二十週年影片配樂，並於松菸誠品演奏廳合辦創世基金會慈善音樂會。

作曲師從金希文，Malcolm Peyton，鋼琴師從程彰，小提琴師從涂鳳玹。

CHANG Shiuan’s work is influenced by Chinese pictogram characters, the very first few memories of his life, Buddhism, and dreams. By traveling through imagination, the pictographic movements of sound seeks to arrive at the point where time and space don't exist. During a humble process of evolving, my work gradually breaks through and expands the boundaries of music lead to become interactive, theatrical, physical, and materialized. 

Describe as " spiritual, light and comforting." by Classic Agenda (FR), CHANG Shiuan is the winner of the 2013 New England Conservatory Honor competition, 2015 Earplay Donald Aird Composition Competition, and 2016 Nief-Norf Composition Competition, 2018 Chicago Civic Symphony Composer Prize, 2018 Harvestwork Residency, 2018 EtM Residency, Shiuan views that the performance is birth; the following applause is death, and the performers’ acknowledge bow is reincarnation.

His recent major production including "Sounding Light (2020)" collaborating with the Cloudgate Contemporary Dance company, "I-Village (2021)" collaborating with the Sheng-Xiang Rock Band and the National Symphony Orchestra, "A thousand stages, Yet I have never quite lived (2021)" collaborating with the Beijing Opera artist Hei-Min Wei directed by Kengsen Ong.

CHANG Shiuan’s music have been performed nationally and internationally at Carnegie Hall, Merkin Hall (New York), Suntory Hall (Tokyo), Jordan Hall (Boston), Moscow Philharmonic Chamber Hall, Berlin Philharmonic Chamber Hall, Chicago Symphony Center, Taiwan National Concert Hall, Bartok Hall (Hungary), ODC Theater (San Fransisco), Le Phenix Valenciennes (FR), Royaumont (Paris), Archipel Festival (Geneva), Tenso Music Days (Belgium), Boston Early Music Festival, Innovation Series Taipei, and the Bartok Festival (Hungary). He has worked with the Cloudgate Contemporary Dance Company, the Taiwan Philharmonic, Taipei Symphony Orchestra, Chicago Civic Symphony Orchestra, Moscow Contemporary Music Ensemble, Asasello Quartett, TANA Quartet, Mivos Quartet, Atlas Ensemble, Ensemble Multilaterale, Ensemble Musicatreize, Earplay Ensemble, signal ensemble, Antico Moderno, Neue Vocalisten Stuttgart, Ekmeles Ensemble, Princeton Singers, Orkest de Ereprijs, and Alter Ego.

As an avid pianist, CHANG has won the first prize Taipei City competition and second prize in the 2003 Taiwan national piano competitions (high school division). He enjoys working as a conductor; he has worked with Ensemble Remix and Divertimento Ensemble. Besides, Shiuan is active in outreach programs. He has produced a full-length show to support the Genesis Social Welfare Foundation, and written documentary film score for the Children Are Us Foundation twentieth anniversary documentary film.​

CHANG studied with Malcolm Peyton at New England Conservatory during undergraduate. He has also studied with Chaya Czernowin, Stefano Gervasoni, and Maestro Peter Eotvos.