the team

the mathematicians

Stelios Koundouros Dr Stelios Koundouros / founder and director

Stelios has led the company’s efforts since 2005. He holds a PhD in mathematics from Cambridge University and has carried out research at the Mathematical Institute at Oxford.

Professor Chris Holmes Professor Chris Holmes / adviser

Chris helps direct mathematical research. He is a Professor with the department of statistics, Oxford University. Chris’ research interest lies in the field of machine learning and pattern analysis via probabilistic data modeling and the use of subjective probability theory as a unified framework for coherent inference.

Dr Nicolai Meinshausen Dr Nicolai Meinshausen / adviser

Nicolai helps direct mathematical research. He is a University Lecturer, department of statistics, Oxford University. Nicolai’s research specialty comprises sparse high-dimensional data, Machine learning, Multiple testing and Monte Carlo methods for decision problems, central research themes on predictive algorithms.

the developers

Pascal Briet / software engineer

Pascal develops all the systems that make billmonitor work. He holds a MEng in Software Engineering from EPITA Paris.

the rest of the team

Thomas Nichols / chief technical officer

Thomas joined the team to help deliver the advanced maths behind billmonitor as a robust and scalable service. He is responsible for product development and deployment, using Lean product delivery practices and extending the culture of continuous improvement within the development team to convert the vision to reality. He has spent the last 25 years developing software and building development teams, using Agile/Kanban and encouraging a near-obsessive focus on quality.

Max Alexander Max Alexander / director

Max was most recently MD of New Ventures and Strategy at Trinity Mirror and prior to that headed Mviva and TalkTalk for Carphone Warehouse. He started his career as a consultant at McKinsey & Co and is a (barely) qualified barrister.

Robin Klein / director

Robin is co-founder of The Accelerator Group (TAG), an active investor in early-stage technology companies. TAG numbers amongst its investments: LoveFilm, Stardoll, Moo, Zoopla, Wonga and many others. Stelios started talking to Robin about backing Optimor/billmonitor back in the summer of 2007. Robin has a Masters Degree in Engineering – he graduated when computers were the size of small buildings.

the customers

billmonitor.com is alive and thriving because of the customers who have found it, improved it, advocated it and most importantly trusted it to find the right contract.

billmonitor itself

billmonitor is a mathematical programme that resides in Oxford, hates bad maths, bias and non-transparency, loves data, problems and accuracy and works every minute of every day to find as many people as it can the right mobile phone contract. billmonitor is nearly 4 years old.

Save £ be :) with billmonitor

Founded by mathematicians in oxford, billmonitor is an independent and impartial service that helps mobile phone users save money with its unique bill analysis and mobile price comparison calculator approved by Ofcom since 2009

Featured on the MoneySavingExpert, The Gadget Show, BBC2 and The Independent as well as highlighted by Consumer Focus, billmonitor has been heralded as a much-needed service for mobile phone consumers