Claudia Lo
Claudia Lo
Design Researcher, Wikimedia Foundation

About me

Hi! I'm Claudia. I grew up in Hong Kong, and currently live in Oakland, California. My research interests are online social interaction, particularly online community moderation. Sometimes, I provide voiceover.

My hobbies include calligraphy, cooking and conlanging. My private account is User:Cwylo.

My work

I work as a Senior Design Researcher, with the Anti-Harassment Tools team.

Disclaimer: I work for or provide services to the Wikimedia Foundation, and this is the account I try to use for edits or statements I make in that role. However, the Foundation does not vet all my activity, so edits, statements, or other contributions made by this account may not reflect the views of the Foundation.

Contact me

Email me at

User language
en-N This user has a native understanding of English.
yue-4 呢位用戶有接近母語程度廣東話知識。
zh-2 这位用户的中文达到中级水平
Users by language

I'm also a passive speaker of Cantonese.

List of completed projects:

Reporting systems

IP Masking

Other topics

  • English Wikipedia SPI case analysis for the month of May, 2019. The aim of this work was to see if SPI pages or similar noticeboards were viable as a source of data to estimate checkuser workloads.

Prior to joining the Foundation, I did research on volunteer moderators of large-scale esports moderators on Twitch.