Yn Gymraeg


Oct 2014 - : PhD in Applied Stochastic Modelling, Cardiff University.

  • Supervisors: Prof. Paul Harper & Dr. Vincent Knight
  • Jointly funded by ABUHB & Cardiff University.
  • Modelling of patient flows & working at the interface of a healthcare organisation.
  • Modelling of deadlock in queueing networks using Markov models and discrete event simulation.
  • Development of an internationally used open source software package, Ciw.
  • Title: Deadlock in open restricted queueing networks.

Oct 2013 - Oct 2014: MSc Operational Research and Applied Statistics, Cardiff University. Distinction.

  • Taught topics include: Queueing theory, Game theory, Statistical techniques, Time series, Mathematical Programming, Heuristics.
  • Completed dissertation at the University of Twente on an Erasmus placement.
  • Dissertation title: Optimising surgery schedules in order to increase operating room utilisation and level beds in the PACU and holding area.

Sept 2010 - May 2013: BSc Mathematics, Aberystwyth University. First Class Honours.


  • Modelling Deadlock in Open Restricted Queueing Networks Palmer GI, Harper PR, Knight VA Under review.

  • An Open Framework for the Reproducible Study of the Iterated Prisoners Dilemma Knight VA et al. Journal of open research software.

Learning & Teaching

  • Experience of leading computer lab sessions (Python, Simul8, LaTeX, Vensim, Excel) for undergraduate & masters students.
  • Mathematics & Statistics support tutor.
  • Translation of pedagogic material from English to Welsh.
  • Experience of producing new bilingual learning materials (short LaTeX course).
  • Key participant in innovative international development initiative leading active learning sessions at the University of Namibia (under the Cardiff University Phoenix Project).

Community Building & Organisation

  • Member of the UK OR Society & committee member of SWORDS (South Wales Operational Research Discussion Society).
  • Co-organiser of the stochastic modelling stream at Young OR 19.
  • Member of organising committee for DjangoCon Europe 2015, Cardiff.
  • Active member of PyDiff, the Cardiff Python meetup.
  • Help run the School of Mathematics Code Club.
  • Regular volunteer and participant at PyCon Namibia (under the Cardiff University Phoenix Project).

Software Development

  • Main developer and maintainer of Ciw (ciw.readthedocs.io), a Python library for simulating queueing networks.
  • Experience of modern software development techniques: version control, testing, continuous integration.
  • Contributor to the open source project Axelrod.


Bilingual speaker. International experience. Technical topics. Diverse audiences including general public, healthcare practitioners, and member of the Welsh government.

  • Feb 2017 - PyCon Namibia, Windhoek - Producing Pretty Plots in Python
  • Sept 2016 - PyCon UK, Cardiff - Queueing and Python: pip install ciw
  • May 2016 - CORS 2016, Banff - Deadlock in Queueing Networks
  • May 2016 - Cynhadledd Wyddonol y CCC, Aberystwyth - Poster: Llwyrglo yn Rhwydweithiau Ciwio (Winner best poster)
  • Jan 2016 - PyCon Namibia, Windhoek - Simulating Queues with Ciw
  • Sept 2015 - Young OR 19, Aston - Queueing Networks for a Healthcare System, Deadlocking & Reinforcement Learning
  • July 2015 - EURO 2015, Glasgow - Queueing Networks for a Healthcare System Deadlocking, Reinforcement Learning & Workforce Planning
  • Feb 2015 - Python Namibia 2015, Windhoek - Playing with Reinforcement Learning in Python


Software: Python, LaTeX, VBA, Excel, SPSS, Simul8, HTML, CSS, version control with Git and GitHub.

Languages: English (Fluent), Welsh (Fluent).

Courses Attended

  • NATCOR Forecasting & Predictive Analysis - Lancaster University 2016
  • NATCOR Convex Optimisation - Edinburgh University 2016
  • Coleg Cymraeg Cenedlaethol’s Research Skills Programme - Lampeter University 2015 (Welsh Medium)
  • NATCOR Combinatorial Optimisation - Southampton University 2015
  • NATCOR Simulation - Loughborough University 2015
  • Data Mining - Cardiff University 2015
  • NATCOR Stochastic Modelling - Lancaster University 2015


Email: palmergi1@cardiff.ac.uk

References available on request.