Ronnie Siu is a seasoned product designer with extensive experience in the technology and media sectors. Currently serving as a Senior Product Designer at Slack since November 2025, Ronnie previously held dual roles as a Senior Product Designer and Product Designer focused on growth at The New York Times from January 2023 to October 2025. Prior to that, Ronnie worked at FormSwift for nearly five years, ascending from Junior Product Designer to Senior Product Designer. Earlier experience includes a UI UX Designer/Manager position at Thismoment, along with roles in marketing and administration. Ronnie holds a degree from the University of California, Davis.
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