Associate Professor Cameron Graham Walker

BA, BSc, MA, MOR,MSc, PhD, Certificate in University Learning and Teaching

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Associate Professor


  • Associate Professor


I came to the Department of Engineering Science in 1998 as a Lecturer, after completing my PhD in Mathematics. I was promoted to Senior Lecturer in 2006. My research interests are Network Optimization, Simulation and Statistical Modeling. I am a member of the Network Design and Simulation Group, inside the Operations Research Group at The University of Auckland.

I am currently involved in three research projects. The first project concerns the optimal design and simulation of Storage Area Networks, which is in collaboration with members of the Storage Systems Research Center at UC Santa Cruz. The second project is optimal knot placement (model selection) for fitting of regression splines, in collaboration with members of the Centre for Research into Ecological and Environmental Modeling at the University of St Andrews, Scotland. This work is primarily used for Environmental Impact Assessment of Engineering projects in Europe. The third project is optimization and statistical modelling for healthcare delivery, in collaboration with the ADHB, members of the Bioengineering Institute at The University of Auckland, and Surgeons at Starship Hospital and the Department of Orthopaedics, Auckland.


PhD in Mathematics, The University of Auckland

MSc, the University of Auckland
MOR, The University of Auckland
MA in Mathematics with 1st Class Honours, The University of Auckland
BSc in Statistics, The University of Auckland
BA in Mathematics and English, The University of Auckland
Certificate in University Learning and Teaching, The University of Auckland

Research | Current

  • Graph theory and network optimisation.
  • Group actions on graphs.
  • Optimal design of storage area networks (SANs) using mixed-integer programming.
  • Optimisation via simulation in traffic network.
  • Simulation of SANs to evaluate automatic designs.
  • Statistical modeling and simulation of the cardial microstructure.
  • Optimal knot placement in regression splines.
  • Statistical modeling for orthopaedic surgeons.

Research groups

Teaching | Current


  • ENGSCI 111 - Mathematical Modelling 1
  • ENGSCI 211 - Mathematical Modelling 2
  • ENGSCI 213 - Mathematical Modelling 2SE
  • ENGSCI 313 - Mathematical Modelling 3ECE

Selected publications and creative works (Research Outputs)

  • Malik, A., Walker, C., O'Sullivan M, & Sinnen, O. (2018). Satisfiability modulo theory (SMT) formulation for optimal scheduling of task graphs with communication delay. Computers and Operations Research, 89, 113-126. 10.1016/j.cor.2017.08.012
    Other University of Auckland co-authors: Avinash Malik, Michael O'Sullivan, Oliver Sinnen
  • Golzarpoor, H., González VA, O'Sullivan M, Shahbazpour, M., Walker, C. G., & Poshdar, M. (2017). A non-queue-based paradigm in Discrete-Event-Simulation modelling for construction operations. Simulation Modelling Practice and Theory, 77, 49-67. 10.1016/j.simpat.2017.05.004
    Other University of Auckland co-authors: Michael O'Sullivan, Vicente Gonzalez
  • Maher, A., Leigh, W., Brick, M., Young, S., Millar, J., Walker, C., & Caughey, M. (2017). Gender, ethnicity and smoking affect pain and function in patients with rotator cuff tears. ANZ journal of surgery10.1111/ans.13921
    Other University of Auckland co-authors: Simon Young
  • Adams, T., O'Sullivan M, Christiansen, J., Muir, P., & Walker, C. (2017). Rostering general medicine physicians to balance workload across inpatient wards: a case study. BMJ Innovations, 3 (2), 84-90. 10.1136/bmjinnov-2016-000162
    Other University of Auckland co-authors: Michael O'Sullivan
  • Soh, K. W., Walker, C., & O Sullivan, M. (2017). A Literature Review on Validated Simulations of the Surgical Services. Journal of Medical Systems, 41 (4).10.1007/s10916-017-0711-x
    Other University of Auckland co-authors: Michael O'Sullivan
  • Best, E. J., Walls, T., Souter, M., Neeff, M., Anderson, T., Salkeld, L., ... Murdoch, D. (2016). Pneumococcal vaccine impact on otitis media microbiology: A New Zealand cohort study before and after the introduction of PHiD-CV10 vaccine. Vaccine, 34 (33), 3840-3847. 10.1016/j.vaccine.2016.05.041
    Other University of Auckland co-authors: Emma Best
  • Walker, C. G., O’Sullivan MJ, Ziedins, I., & Furian, N. (2016). Faster Cancer Treatment: Using timestamp data to improve patient journeys. Healthcare10.1016/j.hjdsi.2016.04.012
    Other University of Auckland co-authors: Ilze Ziedins, Michael O'Sullivan
  • Koh, C. K., Marsh, J. P., Drinković D, Walker, C. G., & Poon, P. C. (2016). Propionibacterium acnes in primary shoulder arthroplasty: rates of colonization, patient risk factors, and efficacy of perioperative prophylaxis. Journal of shoulder and elbow surgery, 25 (5), 846-852. 10.1016/j.jse.2015.09.033


Contact details

Primary location

Level 3, Room 333
New Zealand

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