Sanjeeb Dash  Sanjeeb Dash photo         

contact information

Research Staff Member and Manager, Foundations of Optimization and Computation
IBM Thomas J. Watson Research Center, Yorktown Heights, NY USA


Professional Associations

Professional Associations:  INFORMS  |  Mathematical Optimization Society


Research Interests

  • Integer Programming
    - Cutting planes; routing and scheduling problems
  • Discrete optimization for ML
    - Interpretable machine learning; Causal structure learning; Symbolic regression
  • Linear Programming & Semidefinite programming
    - Exact/Floating point LP solvers; semidefinite relaxations of IPs and Polynomial Optimization problems
  • Software for Mathematical Programming

Research Software

  • QSopt, a floating point LP solver.
  • QSopt_ex, an exact LP solver (returns rational solutions). A "light/simplified" version can be found here.
  • AI-Descartes, a collection of codes to create symbolic expressions that fit data and are consistent with and axiom list.

Editorial Boards (current)

  • Area Editor, Discrete Optimization, Mathematical Programming Computation (2016-)
  • Associate Editor, INFORMS Journal on Computing (2009-)

Editorial Boards (past)

  • Associate Editor, Operations Research (2016-2018)
  • Associate Editor, Naval Research Logistics (2015-2018)
  • Associate Editor, Mathematical Programming Computation (2008-2016)
  • Associate Editor, Operations Research Letters (2009-2019)

Recent and future talks

Conference Organization & Committees


Work experience


  • Ph.D. (2001), Computational and Applied Mathematics, Rice University, Houston, Texas.
  • M.S. (1995), Mathematics and Computer Applications, Indian Institute of Technology, Delhi, India.

Summer Interns Mentored

  • Marcos Goycoolea (2005)
  • Ricardo Fukasawa (2006)
  • Anureet Saxena (2007)
  • Marco Molinaro (2011)
  • Diego Moran (2012)
  • Merve Bodur (2013,2014)
  • Sercan Yildiz (2015)
  • Dabeen Lee (2017)
  • Rui Chen (2019, 2020)
  • Yatharth Dubey (2021)

David Applegate, Merve Bodur, Pierre Bonami, William Cook, Gerard Cornuejols, Daniel Espinoza, Matteo Fischetti, Ricardo Fukasawa, Tian Gao, Marcos Goycoolea, Oktay Gunluk, Jayant R. Kalagnanam , Dabeen Lee, Andrea Lodi, Jim Luedtke, Marco Molinaro, Diego Moran, Ramesh Neelamani, Christian Raack, Deepak Rajan, Chandra Reddy, Andre Rohe, Gregory Sorkin, Juan Pablo Vielma, Dennis Wei, Laurence Wolsey, Sercan Yildiz