# Yakov Hrozian > Founding Product Designer @ Lumos AI Labs | Designing AI-powered consumer products and healthcare platforms Location: San Francisco, California, United States Profile: https://flows.cv/yakov As a product designer and design lead, I lead and design AI-powered products, from consumer mobile apps used by hundreds of millions of people to platforms for healthcare and life-science use cases. I was a core product designer on Reface, a viral AI-driven mobile app that reached over 270 million installs worldwide. With more than 8 years of experience in product design, I’ve held senior and critical roles across high-growth startups and founding teams, leading product design for AI-driven user experiences, mobile products, and growth features at scale. My work focuses on turning complex AI capabilities into simple, intuitive, and engaging products. I currently work as a founding product designer at Lumos AI Labs, where I lead product design for AI-powered platforms and tools, collaborating closely with founders, engineers, and researchers from early prototypes through launch. ## Work Experience ### Founding Designer @ Lumos Jan 2025 – Present | San Francisco, California, United States - Founding product designer leading end-to-end product design for Lumos, an AI platform focused on evaluation, observability, and expert-in-the-loop workflows - Designing and shaping Labela, an expert project marketplace for running AI evaluation projects with healthcare and life-science specialists - Leading design of client-facing platforms for managing AI evaluation workflows, expert participation, and results - Partnering closely with the CEO and leadership team on product strategy, roadmap, and scaling plans for Lumos - Leading design of Lumos public product presence and go-to-market materials, supporting customer acquisition and client engagement - Collaborating closely with engineers and researchers to turn complex AI evaluation systems into clear, intuitive product experiences ### Senior Product Designer @ Reface Jan 2020 – Jan 2025 | San Francisco, California, United States - Joined Reface as the second product designer playing a core role in building Reface into an AI-powered consumer app that reached 270M+ installs worldwide - Played a critical role in scaling Reface from an early-stage MVP to a globally recognized product, contributing to 100× user growth during the first year - Led design of key AI-driven user experiences and core product features across onboarding, content discovery, uploading, and face-swap flows - Designed and shipped AI-powered features including real-time face-swap, AI avatars, animated photos, and video features using stable diffusion, lip-sync, and text-to-speech - Designed and launched multiple AI-powered products within Reface, including Restyle (AI photo styling app) and Honestly (AI-powered journaling app with 100k+ active users); designed a core AI feature for BitePal and consulted the design team, contributing to an AI-powered calorie tracking app that reached 1M+ users worldwide - Worked closely with founders, leadership, product managers, ML engineers, analytics, and research teams to shape product direction, roadmap, and growth strategy - Led and mentored designers during a period of organizational growth, helping establish scalable design systems and collaboration processes ### Product Designer @ RainViewer Jan 2019 – Jan 2021 Led a full product redesign across iOS, Android, WatchOS, and web, from concept through launch, helping drive growth to 4M+ downloads, 20k+ premium subscribers, and 1M+ MAU ### Product Designer @ Pix Inc. Jan 2019 – Jan 2020 | Kyiv City, Ukraine - Designed end-to-end product experiences for a connected hardware backpack, spanning mobile app setup, control, and real-time interaction - Collaborated closely with hardware and software engineers to align physical and digital product experiences - Partnered with marketing and external development teams to design landing pages and product materials supporting go-to-market efforts - Contributed to improvements in the physical user experience and controller interactions for cyclists - Supported brand and event design ### UX / UI Designer @ Other Land Jan 2018 – Jan 2019 | Kyiv City, Ukraine - Designed and delivered user-centered solutions for e-commerce, B2B SaaS, and B2C products, with a focus on mobile and web platforms - Worked directly with clients and engineering teams to translate business goals into scalable, production-ready design solutions ### Design Intern @ Readdle Jan 2018 – Jan 2018 | Kyiv City, Ukraine Collaborated with senior designers and research teams to design and refine user experiences for the Spark Mail WatchOS app, focusing on usability and user engagement. ### UX / UI Designer @ Other Land Jan 2017 – Jan 2018 | Kyiv City, Ukraine ### Freelance UX/UI Designer @ Upwork Jan 2017 – Jan 2017 ## Education ### High School Diploma in High School/Secondary Diplomas and Certificates Ukrainian International School ## Contact & Social - LinkedIn: https://linkedin.com/in/yakovhrozian --- Source: https://flows.cv/yakov JSON Resume: https://flows.cv/yakov/resume.json Last updated: 2026-04-05