This research investigates what user experience (UX) designer’s boundary spanning capabilities enable for multiple stakeholders to create knowledge collaboration in identifying better design performances during an innovation process. To address this, it invites the concept of boundary spanner as a theoretical foundation and proposed a research model with six hypotheses. As an empirical evidence, this study conducted a preliminary study, and it concludes three findings. Based on this, the implications, contributions, and future studies are discussed.

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