PurposeTo conceptualize and theorize dialogue's diagnostic as well as generative functions for strategic innovation and organizational change.Design/methodology/approachConceptual development with case illustration.FindingsStrategic innovation requires shifts in existing mental models of organizational actors that underlie the overall strategy paradigm of a firm. Dialogue as a form of reflective conversation enables actors to alter managers' mental models through conscious, critical exploration.Research limitations/implicationsConceptual framework introduces reflective dialogue, as a crucial processual element for encouraging shifts in mental maps and as a necessary, but not sufficient condition for strategy innovation; provides an analytical framework for enhancing understanding of the emergent processes of strategic innovation, and for studying shifts in organizational actors' mental models.Practical implicationsProvides organizational change agents and strategists with perspectives and frameworks for appreciating and fostering reflective dialogue in the context of strategic thinking and innovation.Originality/valueConcept of reflective dialogue and associated frameworks link micro‐levels and macro‐levels of strategy innovation and address critical process elements.