Drawbridge is a people-based identity management company[4] operating out of San Mateo, California, USA.
Drawbridge has built a people-based identity graph[5] and cross-device advertising platform that specializes in using machine learning to match individuals across connected devices, including desktops, smartphones, tablets, and connected TVs,[6] in order to serve more relevant ads across devices.
[8] Kamakshi Sivaramakrishnan, a former AdMob scientist, built the technology that allowed her to pair users to devices in late 2010 and formed Adsymptotic, which is now known as Drawbridge.
[9] In 2014, the company announced support for video ads[10] and updated its analytics suite to give marketers insights on multi-touch attribution and information on their audiences across devices.
[16] In 2018, Drawbridge sold its media business to Gimbal[17] and was again named a CNBC Disruptor.