Graduating from the National Taiwan Normal University in 1963 under the guidance of renowned artist Prof Ma Pai-Sui, Sia Boon Chuan co-founded the Negeri Sembilan Art Society in 1964, and
served as the president of the Contemporary Malaysian Watercolorists Association from 2002 to 2006. He is currently the advisor of both societies and member of the World Watercolour Painting Federation (WWPF) and the Japan Modern Fine Art Association (JMFAA). Sia was an honorary member of the Jiangsu Watercolour Research Institute (2007) and advisor of the Chinese Culture Promotion Society of Jiangsu Province, China (2010).

His solo show was held at the Top Art Gallery, Klang (2013). He also showcased at the “Artists Art Fair Malaysia”, Stadium Chinwoo, Kuala Lumpur (2014); “A Journey of Art”, Jeth Art Gallery (2016) and
“The Beauty of 80”, Wisma Kebudayaan SGM (2019). Apart from exhibiting locally, Sia also actively participated in numerous overseas exhibitions across China, Japan, Korea, Taiwan, the U.S.A.,
and Singapore. He conducted his first overseas exhibition at the Raya Gallery in Melbourne, Australia in 1983, and joined the World Watercolour Painting Federation (WWPF) Exhibition in South Korea
in 2005 & 2006. His paintings were featured at the prestigious “Art Taipei 2020” in Taiwan (2020) and the “28th Asia Watercolour Painting Alliance Exhibition”, MARU Art Center, Seoul, Korea (2022).

Notable accolades include the “Osaka Mayor's Award” at the 29th Exhibition of the Nippon Modern Fine Arts Association in Osaka, Japan (2010) and the “Malaysian Contemporary Art Outstanding Contribution Award” bestowed by The Malaysian International Contemporary Art Biennial Exhibition in 2014.