Frank Medina-Diaz
Team Manager of Research and Defectology
ArcelorMittal Gent
Frank is the team manager of research and development at ArcelorMittal Gent. He has been with ArcelorMittal since 2000, where he focuses on failure analysis and process performance optimization with an emphasis on non-metallic inclusions. He holds a PhD in Metallurgy from the University of Gent (Belgium) and has also worked for the non-ferrous metals sector as a post-doctoral fellow.
Roger Maddalena
Business Development Manager for Steel
Thermo Fisher Scientific
Roger is the Business Development Manager for Steel at Thermo Fisher Scientific. He has studied steel refining and continuous casting for over twenty years. Recent areas of interest include slag/metal/refractory interactions and the relationship between non-metallic inclusions and stopper rod erosion or submerged nozzle clogging. He holds an MS in Materials Science and Engineering from Carnegie Mellon University (USA).