truematter
Sierra Willenburg is a seasoned professional in UX strategy and design, currently serving as the Lead UX Strategist at truematter since April 2025. Prior experience includes roles as Manager of Product Design, Associate Manager Product Design, and Senior UX Designer at DealerOn from February 2021 to April 2025. Earlier positions include UX Designer at SmartBear Software and Kitewheel, as well as various UX and design roles at BEAM Interactive, Ideometry, kor group, DigitasLBi, Boston Globe Media, and Studio G at Grossman Marketing Group. Sierra holds a B.A. in New Media with a focus on Web Design from Lyndon State College and an A.A. in Graphic Design from the Community College of Vermont.
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