AR/MR/VR EXPERIENCE DESIGN
MICROSOFT | 2015 – PRESENT
At the Mixed Reality Design team, I lead the design effort on the developer & creator ecosystem experience for Mixed Reality, focusing on open-source projects. Our team is working closely with the engineering team to build and share the common spatial interaction patterns and UI controls for Mixed Reality.
As a designer who has an engineering background and published many apps on various platforms, I have deep empathy for the developers and creators. With this, I help the team integrate and realize the design vision by polishing the visual and interaction design of the controls, creating example scenes to demonstrate the building blocks, and writing design & technical guidelines. I enjoy every moment of my work as a designer who can connect design and engineering.
Focus Areas
• Mixed Reality Toolkit (MRTK)
• Mixed Reality Design Labs (MRDL)
• Mixed Reality Documentation
• Common UX building blocks
• Mixed Reality Tutorials
• Design/Developer Evangelism
• Partner Company Engagement
• Internal & External Tools Design
HoloLens 2 Developer Experience
Designing great developer/creator experiences for HoloLens 2 platform.
2018 – Present
Mixed Reality Toolkit (MRTK) v2
An open-source project that provides a cross-platform input system and UX building blocks for Mixed Reality’s common spatial interactions and UI.
2018 – Present

Mixed Reality Documentation
Designing and authoring Mixed Reality documentation for various types of user journeys and scenarios
May 2016 – Present

MRTK Figma Toolkit & Figma Bridge for Unity
Design toolkit for designers and creators which provides HoloLens 2 style UI controls
May 2021 – Present

HoloLens 2 Display Calibration Experience
A settings application that allows the HoloLens 2 users to adjust the color characteristics of the display for better quality
May 2021

MRTK Examples Hub
HoloLens app which allows developers and general users to experience MRTK’s example scenes
May 2020 – Present

HoloLens 2 Launch Partner Projects
Showcase projects for HoloLens 2 announcement at MWC 19 Barcelona
Feb 2019

Mixed Reality Design Labs & MRTK v1
Open-source Mixed Reality building blocks for common spatial interactions and UI controls
2017 – 2018

MR Community Engagement & Evangelism
Activities on mixed reality developer and creator community engagement
2016 – Present

Periodic Table of the Elements
An open-source sample app for HoloLens and Windows Mixed Reality immersive headset
2017 – Present
PERSONAL PROJECTS

Type In Space for HoloLens 2
The new version of Type In Space for HoloLens 2. The project started from scratch with MRTK v2 to support HoloLens 2’s fully articulated hand tracking input.
[External Link – Medium Article]
Dec 2019
COVID19 Data Visualization
This project explores how volumetric data can be represented in physical space with direct hand-tracking inputs in mixed reality using HoloLens 2. Published the project on GitHub.
[External Link – GitHub]
Video: https://youtu.be/mN7VM2h41_w
Apr 2020
Type In Space (HoloLens 1)
Type is beautiful in HoloLens. With Type In Space, you can lay out and experience text in the real-world environment.
[External Link – Medium Article]
Jul 2018
2D UX DESIGN
MICROSOFT | 2011 – 2015
As a UX designer, I worked with engineers, program managers, and user researchers to design the best content consumption experience for Microsoft’s MSN/Bing Apps on various platforms – News, Weather, Sports, Finance (Money), Travel, Health & Fitness, Food & Drink apps for Windows, iOS, Android, and web. In a small design team of 5-10 people, I was responsible for the entire design process – ideation, sketching, prototyping, information architecture, navigation, data visualization, interaction design, visual design, and branding.
As a designer with engineering experience, I established a deep collaboration relationship with the engineering team. I drove hands-on design integration to achieve the pixel-perfect design in the production phase. By several media, Bing/MSN app suites were considered as the best Windows apps that showcase Microsoft’s new Metro design language with rich content and fluid user experience.
Focus Areas
• Visual design
• Interaction design
• Information architecture
• Navigation
• Common UX
• Motion design
• Prototyping
• Design integration

Health & Fitness App for Windows Phone 8
Metro-style default app suite for Windows 8.1
Dec 2013 – Feb 2014
PERSONAL PROJECTS

Typography Insight
Typography Insight is a toolkit for learning & teaching typography, designed for those who love type. You can learn about historically important typefaces, observe and compare them. Since its launch in 2011, Typography Insight has been embraced by the design and creative community. Featured on Fast Company, The Atlantic, and Gizmodo. Listed No.2 in the Top Paid Apps (US App Store/Education), featured on App Store several times.
[External Link – Website]
Version 1.0 Published in 2011

Typography Insight v4.0
Major design update to support iPad Pro, iPhone Pro series with dark mode, and Adobe Typekit support. Featured as App of the Day by Apple – March 2020
[External Link – Website]
Version 4.0 Published in Feb 2019

iOS Programming Book – 도전! 아이폰 프로그래밍
Author, Best-selling iOS programming book in Korea
[External Link – Website]
2012 | 2nd Edition

iOS Programming Book – 도전! 아이폰4 프로그래밍
Author, Best-selling iOS programming book in Korea
[External Link – Website]