John has been a Speech Language Pathologist in the Augmentative Communication Program (ACP) at Boston Children’s Hospital for 40 years and is the director of the Augmentative Communication Programs and the Jay S. Fishman ALS Augmentative Communication Program.   He is a fellow of the American Speech Language Hearing Association and the International Society for Augmentative and Alternative Communication.  John is a clinician providing clinical care to children and adults with non-speaking conditions.  He founded the first fulltime Augmentative and Alternative Communication (AAC) in the ICU bedside program where he introduced the concept of pre-operative voice preservation through message banking.   He is adjunct faculty to the Speech Language Pathology graduate program at Boston University and in recent years has focused extensively on developing clinical assessment models and innovating voice preservation models for people with ALS.  John has been an invited speaker and lecturer nationally and internationally in over twenty countries on topics of AAC and has authored/co-authored numerous articles and chapters related to AAC.