Teaching interests
Decision analysis
Managerial decision modelling
Operations and Supply Chain Management
Optimisation methods
Simulation modelling and analysis

Research interests
Integer and combinatorial optimisation
Optimisation theory and algorithms
Current research projects include

1) Facets for node-capacitated multicut polytopes from path-block cycles.
2) Separation and facet evaluation for the simple graph partitioning problem.

Selected Publications
Facets for node-capacitated multicut polytopes from path-block cycles with two common nodes, Discrete Optimization, vol. 25, pp. 120-140, 2017.
A new separation algorithm for the Boolean quadric and cut polytopes, Discrete Optimization, vol. 14, pp. 61-71, 2014 (with A.N. Letchford).
Binary positive semidefinite matrices and associated integer polytopes, Mathematical Programming, Vol. 131, pp. 253-271, 2012 (with A.N. Letchford).
Facet-defining inequalities for the simple graph partitioning polytope, Discrete Optimization, Vol.  4, pp 221-231, 2007.
New facets and a branch-and-cut algorithm for the weighted clique problem, European Journal of Operational Research, Vol. 154, pp 57-70, 2004.