Gallium nitride (GaN) material technology developer Porotech (a spin-out from the Cambridge Centre for Gallium Nitride at the UK's University of Cambridge) has appointed former Arm executive Helen Adams as chief commercial officer (CCO). During her 11 years at Cambridge-based chip designer Arm, Adams rose to become vice-president of sales for Europe and the Asia Pacific region, leading a team delivering $1bn annual sales revenue...