Katie Rieger

Founding Designer

AI-powered EdTech platform for creative learning.

• • Led 0 to 1 product design as sole designer at 7-person team, shipping student creator tools and educator analytics platform to 4 partner districts and 200+ students in Q1 2025.
• • Conducted research with 20+ teachers across 5 districts and analyzed academic studies (MIT Media Lab), uncovering AI misuse patterns that drove strategic pivot from "AI co-creator" to "learning companion" model.
• • Defined Lumi's responsible AI frameworks and design principles informed by educational research, shifting product strategy from an answer-providing AI experience to a pedagogically-sound AI platform.
• • Facilitated quarterly design sprints to align product, eng, and district success teams, reducing feature development cycle time by ~50% (from 4+ weeks to 2 weeks).
• • Established monthly educator feedback sessions with 20-teacher cohort across 5 districts, ensuring features are rooted in educational pedagogy and improving adoption from ~10% to 90% within 2 weeks of release.

Founding Designer

Business-in-a-box digital tool for insulation contractors. Acquired by GIC in Oct 2024.

• • Led UX design for multi-platform MVP serving 10+ contractors, creating workflows that supported $500k+ in project value and contributed to successful acquisition.
• • Designed contractor-friendly interfaces that achieved 78% weekly active usage among early adopters, demonstrating product-market fit.

Climate Tech Designer

Designed mobile experiences for climate tech and conservation nonprofits.

• • Large Pelagics Research Center: Designed HiTag, an iOS app that allows citizen scientists (commercial and recreational fishers) to aid data collection on tagged fish.
• • dashboard.earth: Collaborated with 3 conservation nonprofits on L.A. community climate solutions, designing mobile experiences that facilitated climate actions for 1,000+ users in first 6 months.

Senior Product Designer

Biotech company specializing in diagnostics and immunizations.

• • Designed COVID-19 testing workflows deployed across 13,000+ sites nationwide, processing 10M+ tests and serving diverse populations including non-English speakers and low-literacy users.
• • Partnered with Genetic Counselors to redesign genetic testing results delivery, creating access for transgender patients previously excluded by confusing language.
• • Created a scalable, inclusive design system adopted across 8 product lines, reducing design inconsistencies by 60% and cutting engineering implementation time by 35%.
• • Mentored junior designers and contributed to scaling the design team from 2 to 40.
• • Founded Medical Equity Working Group (12 cross-functional members), establishing inclusive design standards that influenced company-wide product policies.

Lead Product Designer

Social app for queer women.

• • Led design and research during strategic pivot from dating to social platform, designing community features (feed, events, groups) that increased daily active users by 40% and session length by 25%.
• • Conducted user research with 50+ members across 5 global cities, informing features that boosted App Store rating to 4.4 stars.

Product Designer

Webinar marketing tool.

• • Designed UX for webinar features including one-click instant meetings, used by enterprise and SMB customers.