Katie Rieger

Product Designer & Strategist

Lumi

Sept 2024 – Present

Founding Designer

AI-powered EdTech platform for creative learning.

  • • Responsible for 0 to 1 product design, including a suite of creator tools for students and a suite of analytics tools for teachers and school administrators.
  • • Defined Lumi's design principles for responsible AI in education, shaping strategy from AI that provides answers to students to AI that fosters critical thinking.
  • • Facilitated design sprints to drive strategic and tactical alignment across product, engineering, and customer success.
  • • Prototyped and tested a Socratic questioning AI approach with teachers, enabling product pivot validated by real classrooms.
  • • Established educator-centered design practices, running bi-weekly feedback sessions to ensure accessibility and usability at scale.

LayerUp

Jul 2023 – Sept 2024

Founding Designer

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

  • • Led UX design for a multi-platform MVP, creating contractor-friendly workflows that scaled into a full product within 12 months.
  • • Facilitated design sprints to align roadmap and support successful acquisition.

Freelance

Dec 2022 – Jul 2023

Climate Tech Designer

Designed mobile experiences for climate tech and conservation nonprofits.

  • • Large Pelagics Research Center: Designed iOS MVP for global fish population tracking, optimizing workflows for scientists in resource-limited conditions.
  • • dashboard.earth: Collaborated with nonprofits on community-based climate solutions, designing native mobile experiences that promoted collective action.

Color Health

Feb 2019 – Nov 2022

Senior Product Designer

Biotech company specializing in diagnostics and immunizations.

  • • Designed COVID-19 testing workflows used at >13,000 sites across the U.S., optimized for outdated smartphones, low literacy, and multilingual contexts.
  • • Created a scalable, inclusive design system that reduced medical barriers across healthcare offerings.
  • • Partnered with Genetic Counselors to redesign genetic testing result delivery, improving accessibility for transgender patients.
  • • Mentored junior designers and help scale the design team from 2 to 40.
  • • Founded the Medical Equity Working Group to advance inclusive design practices.

HER

Jan 2018 – Feb 2019

Lead Product Designer

Social app for queer women.

  • • Led design and research during pivot from dating to social app, focusing on inclusive features (social feed, events, community tools) that boosted engagement.
  • • Directed company-wide rebrand across product and marketing.

BigMarker

Aug 2015 – Jan 2018

Product Designer

Webinar marketing tool.

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