# Dongho Koo > Building products with AI Location: San Francisco Bay Area, United States Profile: https://flows.cv/donghokoo Multidisciplinary product innovator with 20+ years of experience designing at the intersection of UX, system architecture, and emerging technologies. From Android frameworks to global-scale AI/AR platforms, led product and platform design for developer tools, creator ecosystems, and multimodal interfaces that serve millions of users. Experience in designing the 20M+ MAU software services and its design principles, production and shipment to the market. Also has working experiences as a product/project manager and frontend/backend software engineer that makes available to have in-depth discussions with cross-functional stakeholders for collaboration. In addition, worked as all kinds of types ranging from Fortune 500 companies, start-ups, and founder. ## Work Experience ### Co-Founder building products with AI @ DNNR AI Jan 2025 – Present Leveraging AI to build and ship a wide range of products globally with a very small team. Launching quickly, learning from real user feedback, and continuously iterating to improve product quality and relevance across different markets. Working across the entire product lifecycle—planning, design, development, testing, and marketing—using AI as a multiplier rather than focusing on a single discipline. ### Founding Head of Product and Design @ Phygtl, Inc Jan 2024 – Jan 2025 | Palo Alto, California, United States • Pioneered a next-gen social platform that transforms user-generated content into immersive 3D experiences via generative AI • Architected foundational UX for creator tools and community mechanics, enabling new user acquisition and activation funnels • Shaped comprehensive product strategy across GenAI, Web3, and AR layers, with developer tooling for extensibility Continue to support the team on advisor ### AR UX Lead @ Samsung Electronics Jan 2019 – Jan 2023 • Led cross-functional UX development for AI-driven 3D avatar platform, reaching 20M+ MAU • Developed creator pipelines and avatar generation tools • Orchestrated high-profile partnerships with Disney and major IPs to launch branded avatars within a scalable UX system • Designed platform-level AR and personalization features across devices and user contexts • Drove measurable user engagement through data-informed design strategies, resulting in 20M+ ### VR Product Design Lead @ Samsung Electronics Jan 2017 – Jan 2018 • Directed end-to-end UX and product development for PhoneCast VR, delivering next-generation immersive video and multi-app experiences on Samsung’s mobile VR platform • Innovated new VR-native interaction paradigms, including multi-screen environments, controller-based interactions, and a custom index scroller component optimized for virtual reality • Collaborated with framework engineers to prototype and validate 3D environments, addressing DRM, performance constraints, and technical limitations unique to mobile VR • Leveraged user data analytics to design and refine multi-screen usage scenarios, ensuring a user-centered approach to feature development and interface design ### Platform Design System Designer @ Samsung Electronics Jan 2014 – Jan 2016 • Architected comprehensive design systems across multiple platforms (Mobile, Wearable, TV) • Published design guidelines that enabled 10,000+ external partner applications, establishing ecosystem • Demonstrated scalable design leadership creating coherent, user-centric solutions that balance simplicity with functional depth ### Android Input Framework Software Engineer - Interaction Systems @ Samsung Electronics Jan 2012 – Jan 2013 • Developed Samsung’s handwriting and keyboard frameworks, improving input UX and driving a 50% MAU growth • Shaped system-level architecture for multilingual input, accessibility, and custom keyboard integrations ### Android UI Framework Software Engineer - Visual System Foundation @ Samsung Electronics Jan 2010 – Jan 2011 • Built and optimized core UI components including font engines, theming systems, and transition frameworks • Enhanced visual fidelity and accessibility across 100M+ devices by refining foundational UI architecture ### Product Owner, Web Developer, Designer @ Usher Education Group Jan 2007 – Jan 2009 • Managed full-cycle development of cloud-deployed Learning Management System - Achieved operational efficiency gains: 30% server cost reduction and 80% decrease in instructor assessment time through automation - Implemented user-centric features based on behavioral analytics and stakeholder research • Launched virtual assessment of TOEFL and its relevant management services resulting in a reduction in test cost by $200 per student and immediate instructor feedback. - Designed, developed, implemented, and distributed virtual TOEFL exam by PHP, FLEX and RED5 server for instantly recording and transcoding in MP3 format by FFMPEG - Implemented and applied rubric system that can give categorized feedbacks to attendees of exams - Released customer centric English typing game by FLEX and MySQL resulting in securing 20% more time when students take computer based exams by improved typing speed. ### Web Designer / Developer @ Jan 2000 – Jan 2009 • Published 20+ websites in education, e-commerce, internet broadcasting service and so on. - Planned information structure of web site - Designed outline by Adobe Illustrator then fine-tuned and sliced for HTML by Adobe Photoshop - Built website by Macromedia Dreamweaver with image resources and HTML/CSS/JavaScript • Presented automobile black box system with emulation of all driving routes by Adobe Flash, Java, PHP and Google Maps API • Created CBT(Computer Based Training) packages for enterprise employee training by Adobe Flash and Action Script ### PHP Web Developer @ Cham Publishing Corp. Jan 2006 – Jan 2006 | Seoul, South Korea • Developed web site for intranet and promotion by using PHP and MySQL on Apache web server. - Implementing webmail service - Managing regular subscription service - Improving bulletin board with WYSIWYG features ### Systems Engineer – Military Training Simulators & Evaluation Platforms @ Republic of Korea Army Jan 2004 – Jan 2006 | Daejeon, South Korea • Developed and distributed Student Academic Management System by using ASP.NET, MS-SQL, MS Access and IIS - Tracking all activities including academic records from entrance to completion - Managing individual information and connecting it to the military related tasks - Exporting final report to Excel format - Implemented batch funtions for dynamical format change by VBA Script • Developed software simulator of radar communication terminal and applied to the training courses for ROK Army. - Implementing a software simulator for high-cost real communication devices by Adobe Flash and Action Script - Tracking all behaviors of trainees to evaluate whether they are correctly operating or not - Randomizing the list of assessment tasks to avoid getting high grade without fully understanding ### Co-Founder / Co-CEO @ C-Plus.net Jan 2000 – Jan 2001 Co-Founded a web agency that helps nonprofit organizations and small businesses digitize by creating their websites. ## Education ### Master of Design University of California, Berkeley ### (On-Leave) Master of Science in Technology Innovation University of Washington ## Contact & Social - LinkedIn: https://www.linkedin.com/in/donghokoo - Website: http://mrsap.com --- Source: https://flows.cv/donghokoo JSON Resume: https://flows.cv/donghokoo/resume.json Last updated: 2026-04-07