Kelly Vess is a licensed speech-language pathologist and author specializing in evidence-based early intervention for speech sound disorders. She hosts The Preschool SLP podcast, where she translates academic phonological research into implementable clinical strategies for school-based practitioners. Vess developed the SIS Membership, a professional resource hub providing research-aligned treatment targets focused on the Complexity Approach and movement-based therapy. Her work emphasizes neuroplasticity and executive function, intentionally moving away from traditional developmental hierarchies to target complex motor speech patterns first. She recently launched the Messy Imperfect Action initiative to improve AAC implementation for autistic children by favoring early visual language access over compliance. As the author of Speech Sound Disorders: Comprehensive Evaluation and Treatment, she provides a clinical framework that integrates literacy and motor learning. Vess regularly serves as a subject matter expert for organizations like ASHA, bridging the gap between clinical theory and preschool therapy applications.