About Me
I'm a UX designer with a strong track record of delivering impactful products across mobile, TV, and smart home platforms. I specialize in turning user insights into intuitive experiences, from early research to launch.
With experience leading cross-functional teams and mentoring designers, I bring both strategic thinking and hands-on execution. My approach blends deep user understanding, rapid validation, and a passion for continuous learning to create thoughtful, scalable design solutions.
Experience
SEP 2024 - Current
Sr. UX Designer
Google Pixel UX team (Contractor)
• Led the design of the new Pixel Biometrics UX in Settings and Setup Wizard, delivering seamless, reliable, and secure access
• Worked on projects collaborating on AI-driven features for Pixel.
JULY 2022 - NOV 2023
Sr. UX Designer
ROKU UX TEAM
• Led the design of the new Roku Smart Home experience, delivering significant improvements to the UX and creating a major business impact.
• Developed cross-platform smart home experiences for TV, web, and mobile app.
Proposed, designed, and oversaw the implementation of new features, including Doorbell notification, Event history, and Light product.
• Redesigned the sign-in, camera, and settings UX to address usability issues by restructuring element hierarchy and enhancing visual design, resulting in an improved experience for the Roku Smart Home mobile app.
2021 - JUNE 2022
Lead & Principal Designer
LUTRON UX TEAM
• Provide creative leadership to multiple design projects(Web, Mobile, Desktop too) to build industry-leading products.
• Strategize and execute interface designs from concept through product launch.
• Collaborate with engineering and business leaders to create a consistent language for design.
2017 - 2020
Lead & Sr. UX Designer
2014 - 2016
Lead & Sr. UX Designer
SAMSUNG - CUSTOMER EXPERIENCE TEAM
MULTITASKING AND SHARING CLUSTER
• Managed multidisciplinary teams with product managers, developers, marketing team, and component procurement. Directly reported to C-level executives.
• Led the projects deeply engaged in multi-tasking experience with heterogeneous devices.
Recent projects include:
- Multi-window project; Redesigned robust usability on multitasking behavior and successfully implemented on the flagship devices.
- Galaxy View(18.4” Portable TV & Tablet) project; Developed the new device by defining user segmentation and launched in the U.S. market.
LOCK & SECURITY CLUSTER
• Developed the product designs in the biometric authentication area.
• Responsible for the UX design of the fingerprint & iris recognition.
SAMSUNG - UX INNOVATION TEAM (Android Platform Part)
• Managed a team with 20+ designers and led UX design & research strategy across an ecosystem of mobile products and web services.
• Developed unique features and/or services as an add-on to boost competitiveness for the Samsung flagship devices.
Recent projects include:
- Samsung Cloud project; Conducted and developed seamless usability for optimized UX between Web & mobile interaction.
- Always on Display (AOD) project; Created original AOD UX design with a stylus pen from scratch and obtained a U.S. patent.
- Other Projects; Edge UX, Basic Interaction, Notification Panel, Motion UX, Samsung keyboard (text input system)
2012 - 2014
Sr. UX Designer
SAMSUNG - UX INNOVATION TEAM
• Envisioned the design strategy and principles for enhancing essential usability for all Samsung mobile devices.
• Generated design roadmap and UX components documentaries.
Recent projects include:
- Easy Mode Project; Conducted in-depth research for novice users
and defined optimal combinations of fundamental features.
- Samsung Essence UX Project; Responsible for creating UX guidelines for emerging mobile market penetration. Won the gold prize for the Samsung Annual Design Award 2013.
- Other Projects; S-view cover, Help, Settings, Glance UX, Home sync.
2012
UX Designer
SAMSUNG - MOBILE UX TEAM
• Designed and launched apps engaging in multimedia & productivity for smartphones and tablets.
• Supported new product development from initial conception through full implementation with US top-tier MNOs(Verizon & ATT).
Recent projects include:
- Group Play(Media Content sharing app.) Project; Designed UX IA
and wireframes and implemented on Samsung Galaxy S4, S5.
- WatchON(Remote control app.) Project; Integrated universal remote controller features on Samsung Galaxy S4 & S5.
- Galaxy Note 2 Project; Managed the project as a representative UX designer and coordinated all UX issues with cross-functional TFT.
- Other Projects; S-Planner, S-Note, S-Memo, S-Voice.
Education
Yonsei University, Seoul
MS, Housing & Interior Design
Specialized in Universal Design & Smart Home environment
Yonsei University, Seoul
BA, Human-Environment & Design
Dual degree: Housing & Interior design
Patents
US 15,630,870
Method for providing user interface related to note and electronic device for the same
US 19,654,877
Audio content playback method and apparatus for a portable terminal
US 15,365,146
Time-dependent information management system and method for mobile phone
KR10-20120130587
Terminal and method for performing memo function using touch pen
KR10-20120094659
Mobile device and method for the dormant mode in a mobile device
KR10-2007-0030084