張己任，指揮家。9歲開始學鋼琴，15歲於臺灣省鋼琴比賽中獲獎。1973年以特優(With Distinction)成績畢業於美國紐約曼尼斯音樂學院(The Mannes College of Music)，專攻管弦樂指揮，師承班堡格(Carl Bamberger)、伯爾(Paul Berl)、賴特(Richard Lert)、布隆斯德(Herbert Blomstedt)習管絃樂指揮。1973年獲紐約市立歌劇院總監魯德爾(Julius Rudel)之指揮獎。曾獲北卡羅萊納交響樂團青年指揮獎，是當年唯一獲選參加「卡拉揚國際青年指揮比賽」之中華民國國民。1975年獲選參加「國際指揮講座」，為入選十二人中之唯一東方人。1978年獲全額獎學金赴紐約市立大學博士班，專攻音樂學和音樂理論。1981年轉入哥倫比亞大學，1983年以「齊爾品對現代中國音樂的影響」獲博士學位。張己任曾客席指揮許多知名樂團，足跡踏遍歐美各地，獲得「樂曲自然流暢！」、「控制，絕對的控制！」、「具有個人特殊的氣質！」、「指揮的手法細膩、優雅！」等佳評。現任佛光大學歷史系人文講座教授、臺南應用科技大學音樂系講座教授、東吳大學音樂系兼任教授。著作有《西洋音樂風格的演變─中古至文藝復興》、《江文也傳》、《音樂之美》等等，翻譯著作《和聲與聲部導進》(Harmony and Voice Leading, Edward Adwell and Carl Schatchter)
CHANG Chi-Jen is a conductor. He began piano lessons at the age of nine and won a prize in the Taiwan Provincial Piano Competition at the age of fifteen. He graduated from Mannes College of Music with distinction in 1973, majoring in string conducting and studying orchestral conducting with Carl Bamberger, Paul Berl, Richard Lert, and Herbert Blomstedt. In the same year he received the conducting award of Julius Rudel, the former director and conductor of the New York City Opera. He also won the Young Conductor Award from the North Carolina Symphony and was the only Taiwanese that year selected for the International Herbert von Karajan Conducting Competition. In 1975 he was selected to participate in the International Conducting Forum and was the only Asian in the entire group of twelve people. He received a full fellowship in 1978 to pursue doctoral studies at the City University of New York, majoring in musicology and music theory. In 1981 he transferred to Columbia University. He received his doctorate in 1983 with a dissertation titled Alexander Tcherepnin: His Influence on Modern Chinese Music. CHANG has served as a guest conductor for many distinguished orchestras and has performed in the Americas and Europe. Critics have praised his conducting as “flowy,” “controlled, definitely under control!,” “full of individualized style,” and “delicate and elegant.” CHANG currently serves as a chair professor in the department of history at FoGuang University and in the music department at Tainan University of Technology; he is also an adjunct professor in the music department at Soochow University. His publications include The Transformation of Style in Western Art Music: From the Middle Ages to the Renaissance, JIANG Wen-Ye, and The Beauty of Music. His translations include和聲與聲部導進 from Harmony and Voice Leading by Edward Aldwell and Carl Schachter.