Founded ChainBrain, an AI-powered business intelligence platform designed to simplify access to blockchain data, and serves as its CEO.

Graduated from New York University with a Bachelor of Arts. During her time at NYU, she was a Division I athlete on the varsity fencing team.

After graduating from university, Posner competed internationally as a member of the Israeli National Fencing Team from June 2016 to January 2020.

Worked as a data scientist at Google from May 2021 to January 2023. Her experience with internal data tools at large tech firms inspired the creation of ChainBrain.