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Sergio Tomas Martinez

Sample profile

Product Designer at UnitedHealth Group · B2B dashboards

Works at
UnitedHealth Group
Location
San Francisco, CA · PT (UTC-8)
Experience
4+ years experience
Education
Stanford University
Languages
English

Overview

Based in San Francisco. I work on B2B dashboards at UnitedHealth Group. Ran 138 usability sessions and turned them into a research repository. Most at home with data visualisation and Figma.

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  • Thoughtful intros to people in my field
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  • Unpaid work or spec projects
  • Generic networking requests

Travels often; replies within 48 hours

Skills
data visualisationinformation architectureFigma

Experience

  1. Product Designer
    Dec 2024 - Present
    UnitedHealth Group · 1 yr 11 mo · Full-time · San Francisco, CA
    • Ran 101 usability sessions and turned them into a research repository.
    • Shipped the enterprise redesign that lifted task completion 13%.
    • Cut support tickets about enterprise by 43% with clearer copy and states.
  2. Product Designer
    Oct 2022 - Dec 2024
    Booking Holdings · 2 yr 2 mo · Full-time · San Francisco, CA
    • Shipped the enterprise redesign that lifted task completion 15%.

Projects

Conference talk: lessons from enterprise
2025

What went wrong and what worked while scaling B2B dashboards.

Side project: a habit tracker
2024

Built with information architecture and Figma. 4917 people used it last year.

References

No references yet.

Education

  1. Stanford University
    BS, Visual Communication
    2018 - 2022

Details

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