Oliver Tan studied for an MBA with distinction in International Business Management at Royal Holloway, University of London. He worked in business development at e-Cop, now Quann, and at Pacific Internet, and later became managing director of MNC Media in Indonesia.
In 2012 ViSenze was spun out of the NUS-Tsinghua NExT research centre. Tan founded it with Chua Tat-Seng, Li Guangda and Roger Yuen. The founders put in the first money themselves.
In 2014 Rakuten Ventures backed a $3.5 million Series A. A $10.5 million Series B followed in 2016. In February 2019 a $20 million Series C was co-led by Gobi Partners and Sonae IM, taking total funding to about $34.5 million.
ViSenze competed with Google Lens, Amazon and Pinterest Lens. In 2025 Rezolve AI acquired ViSenze and Tan moved to Rezolve AI APAC.