Among his publications is a book of selected writings by the Malaysian artist and critic Ismail Zain, Intermediations: Selected Writings on Art, co-edited with the art historian T. K. Sabapathy, and a book on traditional Malay Wood Carving, The Spirit of Wood, co-authored with the historian Farish Noor, as well as a translation of poems into Malay, Sajak-Sajak by the American poet Christopher Merrill. Mr. Khoo is the founder and director of Pusaka, a non-profit organization, that works to support the continuity and viability of traditional performance arts in Malaysia.