Dr. Ku had started her career as an academic librarian who was responsible for collection development, user instruction, monographs and serials cataloging. Her professional career has transitioned to an accessible user experience designer and web application developer over the years. She is the Trusted Tester for the accessibility by the Department of Homeland Security and the principal investigator for A11yfirst Editor project. She currently serves on World Wide Web(W3C) Accessible Rich Internet Applications(ARIA) Authoring Practice Group(APG) working group and WCAG (Web Content Accessibility Guideline) Silver Taskforce to improve web accessibility.