Kat who is American and Sid who is Chinese both met whilst attending a university in America. They both decided to launch a Youtube and Weibo account titled Kat and Sid back in 2016. Sid utilized his ability to speak both English and Chinese he quickly grew in popularity. After graduating from their university they moved to China and began to fully focus on the platform Weibo as a KOL (Key Opinion Leader) which is the largest social media platform in China. On Weibo 70% of Kat and Sid’s fans are females in their 20s and 30s with around 2 million average views per video. In 2018 and 2019, Kat and Sid won awards for the most influential Vlogger (video blogger) in China for the second consecutive year. Since 2020 Kat and Sid are now based in Japan and are focusing on their Youtube channel creating videos that cover different topics based on Japanese culture, tourism, and food.