• Led end-to-end design for GrabFood for One, an affordable ordering experience tailored for solo diners. Successfully launched across five key Southeast Asian markets, driving user engagement and adoption.

• Collaborated with Product Marketing to improve top-of-funnel conversion, enhancing discovery and engagement.

• Drove the enhancement of the GrabMart Storefront, focusing on making grocery shopping more efficient and enjoyable for customers.

• Create a best-in-class customer experience for purchasing and managing business insurance in QuickBooks. Increased conversion rate by 2.5x and achieved a customer NPS score of 82, surpassing the industry average by 64 points in one year.

• Developed the UX strategy for QuickBooks Insurance leveraging insights from market research, customer interviews, and iterative experiments.

• Partnered with cross-functional leaders to shape business and product strategy targeting the $100B business insurance market, influencing roadmap prioritization and investment decisions.

• Collaborated with stakeholders across internal and external teams to create synergy and deliver holistic customer benefits.

• Worked on Visa’s core digital products. (Global Seller & Buyer Solutions, Visa Direct, Visa Token Service, Visa Digital Commerce App).

• Led effort to create end-to-end design solutions ranging from high-level user journeys to detailed UX guidelines for execution to address business goals and user needs.

• Closely collaborated with product managers, marketing, developers, and architects to deliver best-in-class solutions to our clients.

• Drove research to understand user needs and validate initial product concepts, comprehensive user flows, and detailed interactions.

• Advocated Design Thinking among different functional teams at Visa.

• Mentored junior designers and interns to help them grow to the next level.

Responsible for designing a user-friendly application to manage network security

My Yahoo

Designed Themes on My Yahoo for a more personalized experience.

Media Forum

Media Forum for presenting and managing user-generated content regarding articles presented on websites

• Developed a new concept of a topic-based message board.

• Defined user flows and interactions.

• Created final visual design mock-ups and delivered specs.

Yahoo! Front Page

Designed widgets such as Quotes, Scores, and Comics.

• Defined user interaction on the widgets, delivered mock-ups and design specs.

• Worked closely with engineers and product managers to support product implementation.

Yahoo! News

Identified UX issues in the previous design and delivered solutions to improve the user experience.

Created product mock-ups reflecting requirements from the business and engineering side.

• Designed the new Comics page in Yahoo! News across desktop web, tablet, and mobile.

• Designed the share control bar on an article page.

• Designed the comments module on an article page.

Yahoo! Homes

Explored concept design for the new Yahoo! Homes which provides inspirational contents about home renovation and e-commerce partnering with home improvement retailers.

• Led efforts in defining information architecture, user interaction flow and page structures.

• Created design solutions that address business requirements and increase user engagement on Yahoo! Homes.

• Collaborated with a visual designer to polish high fidelity design mock-ups.

Designed the user interface of a touch-screen device, Desigo, for energy-efficient building control system.

• Examined product spec documents and preliminary UI flow.

• Developed UI structure and polished specific user interactions working closely with a prototyper and a senior director.

• Created the final design mock-ups by applying user centered design principle.

• Documented UI guide and specs for communication with product managers and engineers.

Developed user interaction concepts of iPhone app, Home Control, for home automation system.

Conducted a heuristic evaluation and designed user interface for BrandNet (intranet for brand management).

Developed user interface wireframes for a touch screen control panel of Samsung Electronics air conditioner.

Proposed design concept for Pajama5 (mobile application) of SK Telecom.

• Conducted a heuristic evaluation and user research to gain insight into future improvements for Cyworld Shopping.

• Restructured information architecture of Nate and My Cyworld.

• Redesigned Cyworld Paper(blog service) and Cyworld Music(music streaming service).

• Developed GUI design guidelines for Nate.

Designed websites for diverse clients such as Samsung Electronics, Hyundai Securities and Hana Bank.

Designed web sites and softwares for clients.