Sastia is an Assistant Professor at the Department of Biotechnology, Graduate School of Engineering, Osaka University. Sastia received her B.Sc. degree in 2004 from Bandung Institute of Technology Indonesia, M.Eng. and PhD degree in 2008 and 2010 from Osaka University, respectively. She won the L’Oreal Award for women in science in 2015 for her work on coffee metabolomics.