Vision & Product Strategy
Bridging research insights with market needs to craft product strategies that resonate with creators and enterprise clients.
CPO @ OPENEDGES Square
Yongjoon Lee
Technology executive and researcher driving the development of expressive creation tools, cloth simulation engines, and collaborative platforms that empower AI-era teams. Currently heading Chipsketch, an innovative SoC design-assist platform at OPENEDGES Square.
12+
Years in Technical Leadership
Full Stage
Startup leadership
2+
Products launched to market
What I bring
Core Strengths
Realtime Simulation Expertise
Over a decade of experience building cloth simulation engines, toolkits, and integrations for games and digital fashion.
Collaborative Leadership
Leading multidisciplinary teams with empathy, clarity, and a growth mindset to deliver complex, high-impact releases.
Career
Experience
OPENEDGES Square Inc.
Chief Product Officer
Aug 2025 – Present
Seoul, Korea
OPENEDGES Square delivers IPs for AI semiconductors and operates the first web-based IP sales platform for fabless companies and design houses.
- Leading cross-functional teams to deliver IP platform milestones.
CONPAPA Inc.
Chief Technology Officer
Jul 2022 – Aug 2025
Seoul, Korea
CONPAPA builds webtoon-authoring tools and visual communication platforms for creative teams.
- Directed R&D and shipped mobile and web solutions from concept to launch.
- Partnered with leadership to define business strategies and deliver measurable growth.
- Launched Reat - a collaborative visual communication platform.
- Built TOONDA (closed) - a storyboard generation tool for visual storytelling.Deprecated
CLO Virtual Fashion Inc.
Chief Technology Officer
Jan 2018 – Jun 2022
Seoul, Korea
CLO Virtual Fashion develops MarvelousDesigner, a leading 3D cloth modeling solution used across CG and VFX.
- Led global R&D and product engineering, delivering flagship product releases.
- Partnered with enterprise clients including Linden Lab, Epic Games, and NVIDIA.
- Championed a collaborative, high-performance engineering culture.
- Spoke at NDC, Chung-Ang University, and NCSoft on simulation and 3D workflows.
CLO Virtual Fashion Inc.
Lead Developer
Jun 2012 – Dec 2017
Seoul, Korea
Led R&D for CLO3D, a premier 3D CAD solution for fashion design and manufacturing.
- Implemented core CLO3D features adopted by major fashion houses.
- Collaborated with customers such as Nike and Adidas to solve production challenges.
- Researched and integrated emerging cloth simulation technologies into production.
Selected work
Projects
Development of 3D-based AI and collaboration technology to enhance efficiency in the webtoon creation process — TIPS
Apr 2023 – Mar 2025- Built a text-to-motion model that generates character poses without manual keyframing.
- Automated cloth fitting for generated poses, cutting repetitive simulation work.
- Delivered automated line-art extraction to preserve quality while reducing artist workload.
- Implemented cross-platform real-time collaboration with version control and conflict resolution.
- Oversaw the entire project lifecycle.
Integration of MarvelousDesigner SDK with Unreal Engine — Epic Games collaboration
Jun 2020 – Jun 2022- Led end-to-end SDK integration powering cloth authoring workflows inside Unreal Engine.
- Delivered a production-ready cloth simulation toolkit for game developers.
Cloth simulation for Sansar — Linden Lab collaboration
Mar 2015 – Dec 2017- Integrated real-time full cloth simulation within the Sansar social VR platform.
- Launched the first fashion marketplace for user-created avatar apparel.
Multi-resolution cloth simulation with static objects — ETRI commissioned project
Jul 2007 – Dec 2007- Engineered adaptive mesh techniques to accelerate cloth simulation by 30 FPS on 6,400 vertices.
- Delivered a complete end-to-end solution for Korea's leading government-funded research institute.
Technical toolkit
Skills
Programming Languages
C++ (expert)React.js (expert)Python (intermediate)React Native (intermediate)Java (intermediate)Flutter (intermediate)
Platforms & Services
Qt (expert)AWS (expert)JPA (intermediate)
Game Engines
Unreal Engine 4 (intermediate)
Research Interests
Cloth simulationComputer graphicsComputational geometry
Interests
Development culture
Speaking
NDC 2018|Simulation-driven pipelines for SansarTalks
Research
Publications
Computer Graphics Forum
Multi-Resolution Cloth Simulation
Yongjoon Lee, Sung-Eui Yoon, Seungwoo Oh, Duksu Kim, Sunghee Choi
Oct 2010
Computer & Graphics
Automatic Pose-independent 3D Garment Fitting
Yongjoon Lee, Jaehwan Ma, Sunghee Choi
Nov 2013
MDPI
Serious Safety Signals and Prediction Features Following COVID-19 mRNA Vaccines Using the Vaccine Adverse Event Reporting System
Jung Yoon Choi, Yongjoon Lee, Nam Gi Park, Mi Sung Kim, Sandy Jeong Rhie
May 2024
Background
Education
Korea Advanced Institute of Science and Technology (KAIST)
Daejeon, Korea
Ph.D. in Computer Science
- Research focus: Computational geometry and physical simulation.
- GPA 3.53 / 4.3.
- Dissertation: Multi-resolution simulation and automated fitting for virtual garments.
Korea Advanced Institute of Science and Technology (KAIST)
Daejeon, Korea
B.S. in Computer Science
- Concentration in computer graphics.
- GPA 3.47 / 4.3.
Seoul Science High School
Seoul, Korea
Diploma
- Admitted through a national math competition.
- Graduated two years early.
Communication
Languages
Korean·NativeEnglish·Fluent