Dr Michael Clarke is a Speech Language Pathologist (SLP) and an Assistant Professor in the Department of Speech, Language and Hearing Sciences. He completed his Ph.D. in Speech Sciences at University College London, UK. His area of professional interest is in augmentative and alternative communication (AAC). His research in AAC is motivated by questions arising from clinical practice, and he has a particular interest in better understanding and supporting interpersonal interaction between children using AAC strategies and tools and their communication partners.