Since its inception, King Galleries has been committed to represent work by potters who create the highest quality and greatest innovation in their pottery. Charles King has been a judge in various years since 1996 for pottery at the most prestigious Indian art events, such as Santa Fe Indian Market, the Heard Museum Indian Market and Gallup Ceremonials. He has also given numerous talks on Pueblo pottery at the Heard Museum, Museum of Indian Art and Culture (MIAC), the Pueblo Grande Museum, Rockwell Museum of Western Art, The Philbrook Museum and The Denver Art Museum.
Charles served on the Board of Directors of the Indian Arts and Crafts Association (IACA), which has the mission of encouraging and preserving authentic Indian art. He was elected in 2008 to the Board of Directors for SWAIA (Southwest Association for Indian Arts), which is the group which puts on Santa Fe Indian Market.
He first wrote about Pueblo pottery in the book "Collecting Authentic Indian Art" and this was followed by the article, "Pueblo Pottery: Folk Art to Fine Art" for the thirtieth anniversary of American Indian Art Magazine. His first book, Born of Fire: The Life and Pottery of Margaret Tafoya, was published in 2008. His articles, "Santa Clara and San Ildefonso Pottery: Black is Beautiful"-2009, and "Four Emerging Potters: Gen Next"-2010 were published in Native Peoples Magazine. His second book, "The Art and Life of Tony Da" was written with Richard Spivey and published in 2012.