Johns (pictured) held various positions at Dunnhumby for 19 years, most recently as global capability director, insight. For the last three years he has been chief data officer at data startup Starcount Insights.

TruRating’s software-as-a-service platform asks hospitality and retail customers to anonymously rate their experience through the payment terminal. The company was founded in 2013 and has collected 26m customer ratings across the UK, Canada, Australia and North America.

In his new role, Johns will lead the company’s work in data science, merchant product development and client services.

Georgina Nelson, founder and chief executive at TruRating, said: “As a leader in Dunnhumby’s growth, Gareth’s career has been focused on defining and executing data and technology strategy, building high performing teams and delivering complex programmes of work. His roles at Dunnhumby demonstrate the strength of his knowledge and ability to help businesses use big data and technology to drive growth.”