Dr Bi is a Senior Scientist, Team Lead of Metal Joining and Group head of Joining Technology Group at Singapore Institute of Manufacturing Technology (SIMTech). He received his PhD in 2004 from Fraunhofer Institute for Laser Technology, RWTH- Aachen University. The research topic was Laser Aided Additive Manufacturing and process monitoring & control. Since September 2004, he worked as a research fellow at Rolls- Royce Technology Centre in the Nottingham University, UK. The research focused on the processing of high-temperature Nickel and Titanium alloys with laser, Rapid manufacturing of aero-engine components and system development. He has authored and co-authored more than thirty journal papers. He also holds several patents and technology disclosures related metal joining technologies.