I design digital systems and AI-enabled products that stay human under pressure.
20+ years in high-stakes environments — healthcare, civic platforms, and AI. I work where clarity, trust, and accountability cannot be optional.
Emote
A behavioral specification framework for AI systems. Six canonical trust patterns. A 19-token vocabulary. Published design system, Figma Community, and peer-cited preprint.
Design systems tell AI how to build.
Emote tells AI how to behave.
behavior.pause_when_uncertainbehavior.clarify_before_actionbehavior.verify_consentbehavior.name_risk_transparentlybehavior.repair_after_error
Complex systems, human judgment.
Healthcare, civic tech, and enterprise — where the design challenge was the system, not the interface.
Kind words
Roger is a community builder and connector. His true superpower is making people feel seen, heard, and comfortable.
Jessica Dowling Hammer
Sr. Director of UX · symplr
One of the most insightful and strategic UX researchers I’ve collaborated with. His ability to uncover deep insights is truly remarkable.
Joel Gabiola
Staff UX Strategy Lead · symplr
A rare blend of sharp design thinking, fearless feedback, and a true gift for facilitation.
Jen Fox
Product Design Manager · Limble
His presentation skills are unparalleled — crafted with precision, empathy, and a gift for storytelling.
Sarah Sarver
Senior UX Designer · symplr
Building AI products that need to behave with care and accountability? I’d like to talk.