UX Researcher and PhD candidate with 6+ years of experience in mixed-methods research, data analysis, and human-centered design. Experienced in leveraging user research, prototyping, and usability testing to create impactful, resilient design solutions. Skilled in cross-functional collaboration and mentoring, with a proven track record of driving user-centered improvements in academic and industry settings.
Research Methods: In-depth Interviews, Surveys, Participatory Design, A/B Tests, Prototyping, Observations
Data Analysis: Thematic Analysis, Affinity Mapping, Statistical Analysis (Python, Excel), Data Visualization
Design & Prototyping: Figma, Adobe Creative Suite (Illustrator, Photoshop), Miro
Software: Qualtrics, Atlas.Ti, Dovetail, Quirkos, Mixpanel, Jira, Trello, MS Office (Excel, Word)
Programming: Python, JavaScript, HTML
Communication & Collaboration: Cross-Disciplinary Collaboration, Project Scoping, Task Prioritization, Documentation and Reporting
Languages: Spanish (intermediate), English (fluent), German (native)
UX Researcher | 06/2025 - 09/2025
Intrinsic (an Alphabet company), Mountain View, CA
Planned and conducted a moderated usability study with robotics engineers to evaluate version control workflows using an interactive Figma prototype, resulting in the prioritization of diffing functionality in the feature roadmap
Shaped key design iterations in terminology, iconography, and documentation through a 12-week end-to-end study, owning protocol design, participant recruitment, session moderation, analysis in Dovetail, and report writing
Drove stakeholder alignment on competing user mental models by engaging teams throughout the research process: hosting 1:1 and group meetings on study design, streaming and debriefing user sessions, and highlighting insights during share-out that resolved initial design debates
Increased visibility of user research within and beyond the organization by presenting findings internally to executive leadership and externally to 50+ UX peers at a Google-wide showcase, translating complex technical insights into accessible narratives for diverse audiences
Enabled the successful launch of a new customer management feature by mentoring a PM intern through the full research cycle, from study design and session management to result synthesis and presentation
Human-Computer Interaction Researcher | 10/2020 - Present
University of California Santa Cruz, Santa Cruz, CA
Led mixed-methods research on reflection and emotion in interactive systems, generating design guidelines that promote emotional engagement and learning
Strategically combined interviews, surveys, and participatory design to translate complex user experiences and behaviors into actionable insights that produced evidence-based design principles for reflective systems
Developed and iterated Figma prototypes informed by interview insights, using iterative usability testing and expert feedback to validate design concepts and ensure alignment with user needs
Synthesized findings into reports and presentations for collaborators, driving data-informed design decisions and iterative improvements
Collaborated with interdisciplinary research teams to explore accessible and equitable AI, leading literature reviews and prototyping that informed publications and design recommendations for ethical AI systems
Supervised and mentored research assistants, supporting their development in data collection, qualitative coding, and analysis skills
UX Researcher | 06/2021 - 09/2021
Wellspent, Berlin, Germany
Increased sign-up conversion for a wellbeing app by 30% by identifying onboarding bottlenecks through funnel analysis and validating solutions via A/B testing, culminating in a redesigned flow adopted by the product team
Collaborated with product, design, and engineering teams to develop and iterate on prototypes for user testing that enhanced engagement and user satisfaction
Shaped funding and product strategy by collaborating with executives on a grant proposal, authoring a literature review on just-in-time adaptive interventions (JITAI) that strengthened the proposal’s scientific and design rationale
Web Development Intern | 03/2020 - 09/2020
Ayoka Systems, Arlington, TX
Developed front- and backend code in JavaScript and C# for a data management web platform
Streamlined code and data structures for improved project organization
Worked in an agile team of engineers and product managers to deliver product in a timely manner
Organizational Psychology Research Assistant | 08/2019 - 08/2020
University of Texas Arlington Workplace e-Behavior Lab, Arlington, TX
Contributed to the research design and execution of a study examining success predictors of social media influencers
Developed web scraping tools and Qualtrics surveys for data collection and processing
Conducted literature searches within the field of organizational psychology, social media, personality, and online behavior
Human-Computer Interaction Research Assistant | 01/2018 - 07/2019
University of Texas Arlington Human-Centered Computing Lab, Arlington, TX
Collaborated with an interdisciplinary team to develop an AI-powered smartwatch app for stress reduction in nurses, resulting in a functional prototype and three peer-reviewed publications
Led user interviews, surveys, and usability testing to evaluate system performance, identify interface pain points, and guide iterative design improvements
Cognitive Psychology Research Assistant | 08/2017 - 12/2017
University of Texas Arlington Cognitive Psychology Lab, Arlington, TX
Read, evaluated, and presented research papers in the field of cognitive psychology and decision-making
Used E-Prime software to design and develop computerized experiments for data collection
Social Psychology Research Assistant | 01/2018 - 07/2019
University of Southern Mississippi Existential Psychology Lab, Hattiesburg, MS
Secured $5,000 in university funding to develop and execute an original study investigating the impact of different metaphors on self-perception and body image
Designed experimental protocols, created and administered surveys, recruited 100+ participants and analyzed data using quantitative methods
Presented research findings at a university-wide conference
Teaching Assistant | 10/2020 - Present
University of California Santa Cruz, Santa Cruz, CA
Create and execute inclusive lesson plans for undergraduate game design courses, utilizing various learning activities
Mentor students on game design and project management topics, providing individual support and troubleshooting technical and interpersonal issues
Assess student work and deliver timely, constructive feedback to foster learning
Collaborate with faculty to assess and improve course syllabi
Science Internship Program Mentor | 06/2023 - 08/2023
University of California Santa Cruz, Santa Cruz, CA
Create immersive research experience for high school students participating in the Science Internship Program at UCSC
Mentor 3 students to learn about mixed methods research by reviewing how behavior change apps address failure
Manage advancement of the research project while simultaneously ensuring student skill development
Doctor of Philosophy in Computational Media
2020 - present
University of California Santa Cruz, Santa Cruz, CA
Bachelor of Science in Psychology
Graduated in 2019
A wearable system for unobtrusive mood detection
Lietz, R., Harraghy, M., Brady, J., Calderon, D., Cloud, J., & Makedon, F. (2019). A wearable system for unobtrusive mood detection. In Proceedings of the 12th ACM International Conference on PErvasive Technologies Related to Assistive Environments (PETRA '19). Association for Computing Machinery, New York, NY, USA, 329–330. https://doi.org/10.1145/3316782.3322743
Survey of mood detection through various input modes
Lietz, R., Harraghy, M., Calderon, D., Brady, J., Becker, E., & Makedon, F. (2019). Survey of mood detection through various input modes. In Proceedings of the 12th ACM International Conference on PErvasive Technologies Related to Assistive Environments (PETRA '19). Association for Computing Machinery, New York, NY, USA, 28–31. https://doi.org/10.1145/3316782.3321543
A review of wearable heart rate sensors in research
Harraghy, M., Calderon, D., Lietz, R., Brady, J., Makedon, F., & Becker, E. (2019). A review of wearable heart rate sensors in research. In Proceedings of the 12th ACM International Conference on PErvasive Technologies Related to Assistive Environments (PETRA '19). Association for Computing Machinery, New York, NY, USA, 315–316. https://doi.org/10.1145/3316782.3321550
GradPath Mentor | 10/2023 - 06/2024
University of California Santa Cruz, Santa Cruz, CA
Help undergraduate students interested in pursuing graduate school in 1:1 meetings with advice and resources on applications, finding suitable programs, and getting involved in research
Domestic Violence and Sexual Assault Advocate | 06/2022 - 06/2023
Monarch Services, Watsonville, CA
Completed certificate for Peer Counseling on Domestic Violence, Sexual Assault, and Human Trafficking
Actively participate in training to support survivors of domestic violence
Support prevention workshops at a local high school
Assist in updating program websites and creating informational materials
Graduate Student Peer Mentorship Program | 09/2022 - 06/2023
University of California Santa Cruz, Santa Cruz, CA
Completed Student Success Mentor Certificate
Provided guidance and mentorship to first-year UCSC graduate students on academic and professional development
Proactively sought resources and engaged in training to improve mentorship abilities
Sexual and Relationship Violence Advocate | 10/2020 - 06/2021
University of California Santa Cruz CARE, Santa Cruz, CA
Completed CARE Ambassador Training on Sexual Violence, Domestic Violence, and Stalking
Created educational materials for tabling events and presentations
Contributed to workplace sexual harassment awareness campaigns by gathering and analyzing literature and statistics