Ruth has a wealth of experience gained from a 37 year international career at Royal Dutch Shell holding senior functional and line roles and having responsibility for group strategy and planning. She was a non-executive director and chair of the remuneration committee of Rolls Royce from 2014 to 2019, a non-executive director of ContourGlobal from 2018 to 2019 and non-executive director and chair of the remuneration committee at Keller Group from 2010 to 2017.