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Mehdi Hajjam

Winton Centre for Risk and Evidence Communication

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Mehdi Hajjam

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Mehdi Hajjam completed an MSc in Engineering at CentraleSupélec and an MSc in Renewable Energy Development at Heriot-Watt University (2007). He started his career as an Energy trader and Portfolio manager at Sorégies SAEML, a French utility supplying and distributing gas and electricity to 100k+ customers. In 2011, he joined Actility to develop then lead the Energy Business Unit of the company, providing demand response services to Transport System Operators in several European countries. This eventually led to the sale of the activity to Veolia for around £20M in 2017. At the Winton Centre, Mehdi is working as a Clojure/Clojurescript developer on different web-based applications to expose unbiased information to both patients and practitioners.

Can You Handle the Evidence?

Test your skill at navigating evidence-by-numbers with one of our quick quizzes.

Journalists & Press Officers
Do you know your absolute from your relative risks? Your ORs from your HRs? Test yourself here.
Medical Professionals
You know the difference between sensitivity and specificity, but what about lead-time and overdiagnosis bias? Examine yourself here.
Legal Professionals
Given a positive DNA match, what’s the likelihood of innocence? Check your grasp of forensic evidence & probability here.

Latest news

Winners of the 2021 Harding Prize for Useful and Trustworthy Communication announced!

14 March 2022

The inaugural Harding Prize for Useful and Trustworthy Communication has been jointly won by the ONS Covid Infection Survey and the Cochrane Review of Hydroxychloroquine for Covid-19.

New free e-learning course on communicating risks in public health

2 February 2022

We've just launched a new free e-learning course on our platform https://moodle.wintoncentre.uk. Designed for trainees or professionals at any career stage who are interested in communicating risks in a …

A new episode of RiskyTalk : How misinformation spreads

14 December 2021

From anti-vaxx propaganda to partisan political news, social media is awash with dodgy, even dangerous (mis)information. Who is behind this, why do they do it & how can we stop it? Join David in learning more about the social media ecosystem of misinformation!

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