William Chen (Bill) holds the position of ASE Fellow & Senior Technical Advisor at ASE Group. Prior to joining the ASE, he was the Director at the Institute of Materials Research & Engineering (IMRE) in Singapore, following a distinguished career at IBM Corporation. He was a past President of the IEEE Electronics Packaging Society. He has been elected a Fellow of IEEE and a Fellow of ASME. He received the IEEE Electronics Packaging Field Award for contribution to electronic packaging from research & development through industrialization. He chairs the Heterogeneous Integration Roadmap initiative.