Research Experience

Industrial Research Labs

  • @WalmartLabs (Sunnyvale, CA)
    Feb 2016 – July 2017

    • Head of Search
    • Entity-based Product Search
    • Automatic evaluation of Search relevance
  • @WalmartLabs (Sunnyvale, CA)
    May 2014 – Jan 2016

    • Head of Data Science for Retail Core Technology
    • Product metadata extraction via machine learning techniques
    • Impact estimation via counterfactual analysis
  • Adchemy, Inc. (Foster City, CA)
    August 2013 – May 2014

    • Head of Adchemy’s Research group
    • Entity-based advertisement
  • Adchemy, Inc. (Foster City, CA)
    August 2012 – July 2013

    • Bid management for Product Listing Ads paid search campaigns
    • Bid management for Keyword paid search campaigns
    • Performance management for paid search campaigns
  • Adchemy, Inc. (Foster City, CA)
    October 2009 – July 2012

    • Online Lead Delivery with Quality Constraints
    • A Simple Model of Market Dynamics for the Online Lead Generation Market
    • Portfolio Optimization and Online Media Acquisition
  • Groupe PSA Peugeot-Citroën (Vélizy, FR)
    Summer 2002

    • Statistical modeling of car-production costs
    • Study of correlations between economic and technical parameters on car’s electrical system
      Goal: spot abnormal supplier’s behavior (such as dumping)

Research at Academic Institutions

  • Research Assistantship and PhD research with Professor Ramesh Johari at Stanford University
    Co-advised by Professor Shie Mannor from the Technion
    Summer 2006 to Summer 2009

    • Social Networks and the Stable Matching Problem
    • Local Two-Stage Dynamics for Network Formation Games
    • Bilateral Contracting and Myopic Dynamics for Network Formation Games
    • Social Networks and Decentralized Optimization Applications
  • PhD research with Professor Ashish Goel at Stanford University
    Winter and Spring 2006

    • Networks and Economics: How do economical incentives embed into a network?
  • Research Assistantship and PhD research units with Professor Amin Saberi at Stanford University
    Summer and Fall 2005

    • Networks and Economics: is economical robustness achieved together with structural robustness?
    • Computational complexity of Nash Equilibrium for non-zero two players games
    • Leontief Market Equilibria: the Fisher model is poly-time, quid of some instances of the exchange model?