Knight's career developed more seriously in the arts when he met Tjapaltjarri in 1992 and became fascinated by the work and stories of the
Indigenous Australian art community. At the age of 20 he sold his first painting after touring around the
Kimberleys with Judy Daly, who worked with the Aboriginal economic development office in
Perth. He met numerous artists within these remote communities who were to find fame, including
Queenie McKenzie Nakarra, Jack Britten,
Shirley Purdie and
Rover Thomas Joolama. In 2004 Knight opened Australian Contemporary Aboriginal Art in
Abbotsford, Victoria. In 2007 he founded the Aranda Aboriginal Art gallery in Collingwood, a suburb of Melbourne. Knight's work expanding the reach of Indigenous artists continued and in 2008 he commissioned
Gabriella Possum Nungurrayi, daughter of Tjapaltjarri, to create a large-scale installation piece for a display by
Jamie Durie at the
Chelsea Flower Show in London. This won Durie the gold prize awarded by
Queen Elizabeth II, who was presented with an original work by Nungurrayi which now hangs in the royal collection alongside that of her father. A new
Aranda art gallery was opened in
Alice Springs in the Northern Territory in 2009, followed by Aranda Art Gallery in
Armadale, Victoria in 2012. In 2017, a show curated by Knight called "Sharing Country" at Olsen Gruin gallery,
New York, featuring artists including
Sandy Brumby,
Tommy Watson, Joseph Jurra Tjapaltjarri, Iluwanti Ken, Puna Yanima and Tuppy Ngintja Goodwin was listed as one of the top 10 Hottest group shows to see in New York that summer by
Artnet. In 2018 Knight curated "Beyond the Veil" at the same gallery, an exhibition of metaphysical
dot paintings created by Aboriginal women, from May to July 2018. Some artists in the show, such as
Emily Kame Kngwarreye, were over 70 when their work was created. In the wake of
Damien Hirst being accused of plagiarising Aboriginal artists in his show "The Veil Paintings", which showed at the Gagosian in
Beverly Hills earlier that year, the show gained a lot of publicity and was a critical success. Formerly the vice president of the
Aboriginal Art Association of Australia (AAAA) Knight took over as president of the organisation in 2018. In 2018 the Mitchelton Gallery of Aboriginal Art was opened in Nagambie. Knight created the gallery in partnership with
Gerry Ryan, OAM. Following the closure of the Aranda Aboriginal Art gallery in 2011, a result of bargain basement auctions selling indigenous art at knock-down prices Knight was selling work from his home in Tallarook and preparing to set up a small scale gallery there, when Ryan paid him and his collection a visit. Overwhelmed by the work on display he proposed they collaborate on a gallery at the Mitchelton winery complex outside Nagambie in Victoria which was purchased by Ryan in 2011. They began planning a new building but decided to use the cellars under the winery, where the scale (the size of three soccer pitches) and climatic conditions created a perfect exhibition space. ==Philanthropy==