Sun Dawen (simplified Chinese: 孙大文; traditional Chinese: 孫大文; pinyin: Sūn Dàwén; Jyutping: Syun1 Daai6 Man6; ), known as Da-Wen Sun, is a Chinese-born professor who studies food engineering at University College Dublin.He is also President of International Commission of Agricultural and Biosystems Engineering (CIGR).