- Excellent writing skills for presenting business cases and to document the models and analysis and present the results/conclusions in order to influence important decisions.

- A working knowledge of smooth and non-smooth optimization methods accompanied by associated expertise in the use of tools and the latest technology (e.g. CPLEX, Gurobi, XPRESS).

- A working knowledge of exact, approximation algorithms, and heuristic methods for solving difficult optimization problems like vehicle routing and network design problems.

- The ability to implement models and tools through the use of high-level modeling languages (e.g. AMPL, Mosel, R, Matlab).

- Experience prototyping and developing software in traditional programming languages (C++, Java, Clojure, Python).

- Familiarity with SQL and experience with very large-scale data. The ability to manipulate data by writing scripts (Perl, Ruby, Groovy) a plus.