Joan Emery Sia joined Ballet Manila in June 2009. She was a finalist in the 2010 National Music Competitions for Young Artists (NAMCYA), Senior Division. In August 2013, she won the Silver medal in the Pas de deux division of the 3rd Asian Grand Prix competition in Hong Kong.
Joan has danced major roles of classical ballet, including the title roles in Giselle, Romeo and Juliet, Swan Lake, Paquita, and Blue Bird in Sleeping Beauty.
Joan was part of Ballet Manila’s international performances including Ballet Under the Stars in Singapore in 2011. She has also appeared in the Gyeongju Silk Road Festival in Korea in 2015, and in the 40th Anniversary of Philippine Vietnam International Friendship Day in Vietnam in 2016.