Mary Butler
I work closely with product teams to bring the user’s voice into every stage of development. I help teams solve complex problems that make a measurable difference.
Improving At-Home Lab Result Experiences Through UX Research
Led user research and redesign at LetsGetChecked to clarify at-home health test results, reducing confusion and support queries, while boosting engagement and helping users better understand their health status.
Redefining Travel Booking UX for CarTrawler
Led a full-funnel UX transformation that streamlined car rental selection and increased conversion. See how intuitive design and user research shaped a global impact.
Turning Scattered Feedback into a Product Roadmap at Ontada
Built a standardised feedback taxonomy and research repository for Ontada Health, helping teams identify user pain points and prioritise improvements across patient and practice-facing products.
An Post Digital Transformation
Shaping An Post’s digital transformation by designing and a component-based design system.
Solving Product Sizing with User-Centred Design
A strategic UX approach to help customers find their perfect fit, reducing returns and boosting confidence in online shopping.
Restructuring SEAI’s Website for Clarity and Accessibility
Redesigned the information architecture to make energy advice and grant information easier to find. A user-first approach that improved navigation and content discovery.
Developing a New Genetic Testing Product
Led discovery research for LetsGetChecked’s hereditary cancer test, uncovering user needs through interviews to guide product decisions, enhance usability, and embed a user-centred mindset across the team.