Our guest today is Dr Dimity Dornan.Dimity has devoted her life to helping deaf children to listen and speak through Hear and Say, an organisation she established some 30 years ago.Her work is recognised internationally, through Hear and Say worldwide and the establishment of several national and global research collaborations.Dimity is now building Human Bionics Interface, to accelerate the delivery of bionic solutions that will tackle previously untreatable medical conditions.