Mackenna Lees is a Senior User Experience Designer for Stelo by Dexcom, bicycle racer, and community builder in Seattle.
Designer for Stelo by Dexcom, a new CGM (continuous glucose monitor) designed specifically for people with Type 2 diabetes not using insulin—product launched in the US in August 2024.
On the product team, designing the biosensor companion app for iOS and Android.
Dexcom — Stelo
Senior UX Designer
2022 – present
Remote
Wahoo Fitness
Product Designer — Wahoo SYSTM
2021 – 2022
Remote
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UX/UI Designer — GPS Bike Computers
2020 – 2021
Remote
Designer for premiere cycling training software, Wahoo SYSTM. Crafted end-to-end UX and UI for new app features and conducted research to define evolving needs of Wahoo athletes. Launched Wahoo X (training subscription service) in Spring 2022.
Crafted assorted graphics used for marketing.
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Sole designer for hardware product line consisting of four (4) GPS bike computers. Launched BOLT 2.0 product in May 2021. Designed brand new features (see Custom Alerts) for release across the entire product line, on the hardware device (Android-based) as well as iOS and Android companion app products.
PK (Formerly Lenati)
UX/UI Design Consultant
2018 – 2020
Seattle, WA
Design consultant for Microsoft, Tableau, Skechers, and the Pittsburgh Steelers. Created design proposals across B2B and B2C products, with deep expertise in designing for knowledge assessment tools for developers at Microsoft and Tableau.
Specialized in mobile web design for Skechers Plus rewards app.
DEKA Research & Development
UX/UI Design Intern
June – Sept 2017
Manchester, NH
Intern supporting research, planning, and wireframing of company software including an iOS app for bolus administration (healthcare use), and a marketing website for bionic limbs. Additionally supported print design needs for the company and the CEO.