14. Claire Williams | Deputy Team Principal, Williams F1
|Position last year: 20|
|Bio: Head of Williams F1 and the most influential woman in a male-dominated sport|
|Google searches last 12 months: 0.9 million|
Claire takes the role of Team Principal when her father Sir Frank Williams is not present at races which is increasingly the case.
C. Williams was appointed Officer of the Order of the British Empire (OBE) in the 2016 Birthday Honours for services to Formula 1 racing.