Mario B. Perez

Principal UX Researcher @ Oracle

Madrid, Community of Madrid, Spain

About

I help businesses become user-centric and innovate through learning. I got into UX because somebody told me that serious companies put serious money into products and release them without testing them. I couldn't believe it. I still can't.

Experience

  • Principal UX Researcher at Oracle
    Oct 2025 - Present · 10 mos

    •Leading Manage Tax research, driving UXR strategy, shaping ways of working, and embedding research into product development with senior stakeholders •Leading research for an org-wide AI initiative at NetSuite, defining best practices for in-product AI research •Delivering VP-level insights by partnering with marketing on product reception and social sentiment

  • Lead UX Researcher at Adaptavist
    Dec 2021 - Aug 2025 · 3 yrs 9 mos

    • Promoting UXR and raising awareness of its value among the organization's key stakeholders. • Leading Adptavist's UXR (team of 8) responsible for research on products at different dev stages • Enabling ResOps at a scale developing standard practices and tooling.

  • Advisory Board at pliik
    Jul 2024 - Feb 2025 · 8 mos

    Leveraging my expertise to guide the development and strategic direction of Pliik's product to enhance its relevance and impact in the research community.

  • neomento GmbH (Berlin, Germany)
    • UX Research Consultant
      Jul 2020 - Aug 2021 · 1 yr 2 mos

      • Evaluating and re-designing user-system interactions in virtual reality, making patients’ experience more immersive and intuitive. • Leading the QA team and conducting content audits, which resulted in an outstanding third-party evaluation of neomento’s product. • Designing evaluative research plans and laying out the research strategy to optimize products for rapid market traction.

    • Medical Device Certification Specialist
      Jul 2020 - May 2021 · 11 mos

      • Overseeing software compliance with ISO regulation for Class I devices, resulting in a declaration of conformity with MDR and device certification. • Designing customer support and PM surveillance strategies to guarantee customer satisfaction and implementing an early warning system after product roll-out. • Sole responsible for the MDC process through testing, release, and post-market stages.

  • Researcher in Cognitive Psychology & Neuroscience at German Center for Neurodegenerative Diseases (DZNE)
    Oct 2014 - Sep 2020 · 6 yrs

    • Designing, piloting and conducting experiments on human spatial cognition. • Analysis of neuroimaging (fMRI, MEG, other sources of biodata) and behavioral data (latency, accuracy, eye-tracking, etc.). • Coordination of multi-site research projects and supervision of research aids (e.g. master students) • Experience in testing and designing applications for healthy and clinically impaired older adults. • Use of virtual reality to investigate human cognition.