# Julie Liu > Senior Product Designer | 5+ years of AI, B2C, B2B, and SaaS Experience in Healthcare, Fitness, and Wellness Location: San Francisco, California, United States Profile: https://flows.cv/julieliu Hi, Julie here! πŸ§œπŸ»β€β™€οΈ 5+ years of product design experience and a background in visual design, cognitive science, psychology research, and healthcare. Fitness nut and life optimizer. Extrovert and lightning-fast learner who thrives on novelty and collaboration. Passionate about delivering aesthetic and functional impact, exploring ideas, and bringing delightful solutions to life. Has fun hair πŸ¦„ Skills: User-Centered Design, Product Design, Design Thinking, Design Sprints, Web Design, User Research, User Interviews, Empathy Maps, Card Sorts, Affinity Maps, Personas, User Flows, User Journeys, Storyboarding, User Stories, Information Architecture, Sketching, Wireframing, Visual Design, Prototyping, Usability Testing, Iteration, Project Management, Graphic Design Tools: Figma, Adobe Illustrator, Photoshop, Webflow, Framer, Balsamiq, Lucidchart, Autodesk Maya, Notion, Google Suite, Microsoft Suite, Figjam, Miro, Marvel PoP ## Work Experience ### Senior Product Designer @ Twin Health Jan 2025 – Present | San Francisco, California, United States Building AI-powered, personalized experiences to reverse and prevent chronic metabolic diseases such as diabetes. Using AI, ML, NLP, and real-time data insights to optimize complex workflows and bring user-validated innovations to life in clinical and patient-facing tools across mobile and web. β€’ Designed and launched new features and redesigned experiences for member health, including AI-driven insights & chatbot, activity tracking, weight loss journeys, social and community tools, and goals to drive user motivation and engagement β€’ Transformed ambiguous problem spaces into defined solutions through targeted research and cross-functional collaboration - closely partnered with clinical teams to align on priorities, needs, and constraints β€’ Built and validated user-centered mobile experiences with product, engineering, and leadership β€’ Led user research to inform the launch of new programs including our Healthy Weight initiative ### Product Designer @ UX/UI Designer Jan 2024 – Jan 2025 | San Francisco Owned the end-to-end design process for a mobile booking app for fitness and wellness spaces, from ideation and wireframing to prototyping and user testing, as the foundational designer. β€’ Streamlined booking flows using AI-powered scheduling and search features. β€’ Designed low-fidelity and high-fidelity prototypes in Figma, translating user and business requirements into intuitive designs. β€’ Led user research initiatives, including interviews, surveys, and journey maps. Synthesized data into personas to inform design strategy and leveraged insights to reduce friction points. β€’ Created design system with component library, style guide, and brand & accessibility guidelines. β€’ Validated designs through moderated and unmoderated testing. Addressed feedback and iterated for 3 rounds. Achieved high task success rates, a 36% decrease in time-on-task, and positive user feedback, with an overall SUS score of 95. ### Product Designer @ Pelvi.app Jan 2024 – Jan 2025 | San Francisco Bay Area Directing a team of 4 designers to build mobile and web platforms for pelvic health treatment, exercises, and education. Focusing on improving user engagement and conversion rates while optimizing for business, technical, and clinical needs. β€’ Developed & launched new onboarding processes using behavioral psychology and gamification, reducing drop-off rates by 40% and growing our user base by 2x in 6 months. β€’ Managed end-to-end redesign of workout interface, adding a time-based flow that improved accessibility and reduced task completion time by 20%, making exercises more inclusive. β€’ Completely overhauled existing UI and created new features for user retention and loyalty. β€’ Developed foundational design system from scratch, establishing scalable components and responsive layouts that adhere to WCAG. β€’ Organized user research sessions and analyzed findings to understand impact and direct long-term product development in collaboration with stakeholders. β€’ Presented weekly design updates to business and engineering teams, iterating based on their feedback to refine prototypes, address user pain points, and ensure product-market fit. ### Visual Designer @ Dabri, Inc. Jan 2024 – Jan 2025 | San Francisco Secured funding contracts worth over $300 million by designing visuals and presentations. β€’ Created visually compelling assets including graphics, layouts, proposals, reports, and marketing materials to drive business development and client engagement. β€’ Advanced and negotiated complex contracts across all stakeholder levels including consultants, developers, and executives. β€’ Facilitated data organization for 100s of clients using a candidate tracking database. β€’ Designed, submitted, and won proposals for major partnerships with public and private organizations including SFO, SFPW, and LAX. ### Product Designer @ Visit Health Jan 2021 – Jan 2023 | San Francisco Bay Area Launched an electronic medical record (EMR) system for half a million users nationwide with a team of developers, improving patient care coordination, data security, and workflow efficiency. β€’ Oversaw execution of healthcare products for clinics across the Bay Area, focusing on bringing resources, infrastructure, and opportunities to underserved regions. β€’ Spearheaded implementation and scaling of a corporate testing program in collaboration with major media companies such as Netflix and Disney to offer expedited medical services. β€’ Partnered with the San Francisco Department of Public Health, local hospitals, and community organizations to run COVID-19 vaccination and testing clinics for low-income patients. ### Product Designer @ 4D Sight Jan 2020 – Jan 2021 | San Francisco Bay Area Owned the 0-to-1 development of an AR video monetization platform, working closely with engineering and business teams to build features for 100+ companies and content creators. β€’ Designed critical MVP flows and presented changes to stakeholders every week. Integrated feedback from user testing and iterated to enhance usability and increase engagement. β€’ Led in-depth user research sessions, including interviews, persona development, and usability testing, to inform design decisions and resolve key user pain points. β€’ Developed scalable design system to ensure a cohesive user experience with future growth. β€’ Achieved partnerships with top streaming, gaming, and sports companies such as Twitch, Tencent, Activision Blizzard, NFL, & UFC in coordination with the business and sales teams. ### Visual Designer @ University of California, Berkeley Jan 2015 – Jan 2019 | UC Berkeley β€’ Created branding, logos, and promotional materials for various clients including UC Berkeley School of Law, the Global Health Equity Scholars Program, and eSports teams. β€’ Designed flyers, ads, profile pictures, cover photos, bookmarks, and business cards for various events. β€’ Oversaw creation and distribution of merchandise, including shirts and decal stickers. ### Visual Designer @ Two Photon Jan 2018 – Jan 2019 | Berkeley, California, United States Two Photon is a scientific education lifestyle brand. Oversaw all aspects of design, production, and marketing. β€’ Designed and managed Two Photon’s ecommerce website, Etsy storefront, and social media presences, and established their branding and visual design. β€’ Collaborated with cross-functional teams to launch 25+ social media strategies that increased engagement by 64%. β€’ Developed 6 distinct brand identities for our product lines and designed a variety of clothing and accessory items. ### Behavioral Psychology Researcher @ Whitney Lab for Perception and Action at UC Berkeley Jan 2017 – Jan 2019 | Berkeley β€’ Partnered with UC Berkeley's Haas School of Business to analyze consumer perceptions. β€’ Coordinated with lab team to recruit, train, test, & analyze human participants. β€’ Analyzed and compiled results from data to reach findings and improve experimental procedures. β€’ Independently conducted behavioral & perceptual studies in a university research laboratory. β€’ Used Photoshop to create testing stimuli & results presentations. β€’ Managed an intensive summer program; developed a curriculum covering experimental design/processes & taught MATLAB programming to high school students. β€’ Designed experiments & developed MATLAB scripts for human perception studies & data analysis. Supervised by Professor David Whitney, head of Berkeley's Cognitive Science department. ### Virtual Reality Designer @ Extended Reality at Berkeley Jan 2016 – Jan 2019 | Berkeley, California, United States β€’ Scripted and animated interactive movies and games in virtual reality using 3D modeling software, Unity, HTC Vive, and Oculus Rift with a team of 12 animators. β€’Made 3D models, assets, rigs, textures, animations, visual effects, and 2D storyboards. β€’ Directed students through the animation pipeline (modeling, texturing, rigging, animating, lighting, rendering, and post-production). β€’ Created a one-minute short using Maya, Pixar RenderMan, and Adobe After Effects. β€’ Managed publicity team to design monthly newsletters. ### Web Designer @ MCBcDNA (Molecular & Cell Biology, Cell Developmental, Neurobiological Association) Jan 2017 – Jan 2018 | UC Berkeley Coded and managed the website for MCBcDNA, a UC Berkeley-sponsored organization that links students to faculty and provides them with resources for success. Used HTML and CSS. ### Research Assistant @ Hellen Wills Neuroscience Institute Jan 2017 – Jan 2018 | UC Berkeley β€’ Worked with Professor Mark D'Esposito and postdoctoral scholars to investigate how brain networks configure and interact for working memory maintenance and distractor resistance using functional magnetic resonance imaging (fMRI) and noninvasive magnetic brain stimulation (TMS). β€’ Developed MATLAB analysis scripts to investigate patient behavioral responses and led patients through various series of studies. β€’ Collected, compiled, and analyzed subject data from fMRI/TMS imaging and EEG tests. β€’ Wrote and ran programs to perform quality control and statistical assessments. β€’ Synthesized 30+ papers into a meta-analytical literature review of recent working memory stimulation studies, presented during weekly lab meetings. β€’ Taught undergraduate laboratory sections for general biology courses enrolling hundreds of students. β€’ Developed lesson plans and experiments for topics such as microscopy, enzyme activity, complementation, PCR, genetic mapping, bioinformatics, & animal dissections. β€’ Led discussions, study groups, and exam reviews on course material. ## Education ### Berkeley Certificate in Design Innovation University of California, Berkeley ### Springboard UX/UI Design Certificate - November 2024 in UX and Product Design Springboard ### Google UX Design Certificate in Product Design Coursera ### Bachelor's degree in Cognitive Science University of California, Berkeley ### Bachelor's degree in Molecular and Cell Biology University of California, Berkeley ### High School American High School ## Contact & Social - LinkedIn: https://linkedin.com/in/jttliu --- Source: https://flows.cv/julieliu JSON Resume: https://flows.cv/julieliu/resume.json Last updated: 2026-04-13