Rolf Johannessen received his PhD in physical electronics from the University of Oslo, Norway, in 2008. From 1989 to 2005 he was focusing on materials and processes for harsh environment applications at the Research and Development Department of Getech and the technology department of Alcatel Space Norway, Horten, Norway. He also held a position as educational staff at Horten College of Engineering, Norway. From 2008 to 2010 he was with SINTEF ICT, Oslo, Norway, as a research scientist where he was working on failure mechanisms and packaging technology for harsh environments, focusing on high temperature applications. Currently he is on his leave from SINTEFICT in a new position as manufacturing process leader at GE Vingmed Ultrasound, Horten, Norway.