Jeshua Bratman is an expert in applied machine learning with over 10 years of experience developing ML products and ML platforms. He is a founding engineer of Abnormal Security and the former Head of Machine Learning. Prior to starting Abnormal, Jeshua built Twitter’s machine learning platform and developed models to detect and prevent abusive behavior on Twitter. Prior to Twitter, Jeshua built the AI engine that powered TellApart’s predictive marketing products. His academic background is in theoretical reinforcement learning and deep learning from the University of Michigan where he worked on his PhD.