Au Tin Yung Alex was born in Hong Kong. He is an active composer, conductor, producer, jazz pianist and a promoter of contemporary music. He received his master degree (distinction) in Composition at the University of York, supervised by Dr. Thomas Simaku. Alex's works have been widely performed in different places including Hong Kong, Shanghai, Zhuhai, Macau, Taiwan, Italy and the U.K.

Besides being a professional composer, Alex is also an enthusiastic performer.  He has worked with a wide range of top musicians including Lonnie William, Ted  Lo, Kazuo Takeda, Iain Ballamy and Julian Arguelles, etc and also performed in several International Jazz Festivals. Furthermore, Alex held a Jazz Piano Trio Concert in 2010, in which he participated in composition, conducting and performance.

Since 2007, Alex has set up a music production house (PMW Works) in Hong Kong as a music producer. He produces and arranges music for musicals, films, commercial advertisements, jingles and the local pop music industry. etc.

In 2011, Alex has taken up one more role as the Founding President of Avant Music Group Association of Hong Kong (AMGA) - a non-profit association aiming at establishing a platform for the local composers and young amateur musicians and creating more opportunities for them to exchange and perform their works through interactive musical activities, so as to promote contemporary music creation, development, review and culture.

歐天勇自幼學習鋼琴，亦學習小提琴及結他。隨後受正統音樂訓練，於英國約克大學跟隨Dr. Thomas Simaku學習作曲，以優異成績取得音樂碩士學位。 同時亦跟隨Dr. John Stringer學習管弦樂指揮技巧。歐氏積極從事音樂創作、指揮、音樂推廣及演奏等工作，作品種類包括管弦樂、室樂、合唱、流行、音樂劇、電子及爵士樂等等， 其作品曾於香港、上海、珠海、澳門、台灣、英國及意大利等地公開演奏。

歐氏於2011年更榮獲DuoSolo Emerging Composer Competition第二名。 除此以外，於2007年在香港開設PMW Works音樂製作及錄音室，曾為不同機構、團體及藝人錄製音樂。歐氏更於2011年創立香港現代音樂協會 (Avant Music Group Association of Hong Kong)，積極推廣現代原創音樂及交流活動。