Ya-Tang Chang is the product manager responsible for the Aspen HYSYS midstream portfolio. He obtained his bachelor’s degree in chemical engineering and chemistry from the University of Minnesota. He joined Aspen Technology in 2012 with the research and development team focusing on properties and refining applications. He has been with the product management team since 2015 and has worked on the upstream and midstream portfolio since. He is experienced with upstream flow assurance, acid gas treating, dehydration, sulfur recovery and assay characterization.