Dr Johnson is a Technical Director at IQE PLC. He is leading the company’s worldwide effort in next generation VCSELs. Before taking this key strategic role within IQE, Andrew led the Solar Business unit within the Company and previously held positions as General Manager at IQE PLC’s substrate manufacturing facility, Wafer Technology, and at QinetiQ as a Research Fellow within the emerging technologies group, primarily focussed on the development and investigation of novel narrow gap III-V materials for advanced InfraRed applications.