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Abraham Greenstein

Director, Data Science, AppNexus

Abraham Greenstein is Director of Data Science at AppNexus and has been with the company since 2012. He has worked as a manager and individual contributor on many components of AppNexus’ buy-side optimization algorithms including valuations models for predicting various user events and outcomes, bidding strategies, and decisioning algorithms for efficient and economical learning and data acquisition. Abe is also part of the cross-disciplinary leadership team responsible for designing and developing the machine learning that will power AppNexus’ next generation buyer optimization offering.

Abe came to AppNexus from OptiMetrics and The Edgewood Chemical Biological Center where he developed physics-based models and numerical techniques for hazard and risk assessment in the event of a chemical weapon attack. He has a PhD in Mechanical Engineering from The Georgia Institute of Technology where he developed and implemented computational Quantum Mechanical models of heat conduction in complex crystalline materials. His research has been published in The Journal of Applied Physics and Physical Review.