Tony George joined Intertek in 2015 and is responsible for HR

Hockaday has more than 18 years in HR with experience in transport, infrastructure, aerospace, engineering, retail and manufacturing

Simon Sinek is a motivational speaker, author and marketing consultant

Helena Feltham is currently the HR director for B&Q.

Giovanni Giordano joined the management board of British American Tobacco in June 2011

Cartwright has led the business through rapid growth, international diversification and change of executive leadership

Stephen Bevan returned to IES in April 2016. He was previously director of research at The Work Foundation

Annette Kelleher joined Johnson Matthey in early 2013 to lead the group’s human resources agenda

Kathryn Austin has played a core leadership role in Pizza Hut's brand turnaround

Hall joined McDonald’s UK in June 2015, to oversee the 115,000-strong workforce

Carol Kavanagh joined the Travis Perkins Group in 2007 and is responsible for all people-related activities

Harmer is the chief people officer for Metro Bank, Britain’s first new high-street bank in more than 100 years