Ann Pickering joined O2 (Telefónica UK) in 2004 and was appointed to the UK board as HR director in 2008

Liz McGivern has worked at Red Carnation Hotels for more than 10 years, first as training and development manager, then as director of human resources and training, and now as vice president for HR

As well as being Halfords’ people director Crookall is on boards for equality, inclusion and CSR initiatives

?Sally Austin is group HR director for engineering solutions provider Costain

Hughes-D'Aeth has worked in HR roles for more than 30 years across a variety of sectors and countries

Jan Woods is a director of consumer-focused investor Lion Capital

Josephs joined Historic Royal Palaces as HRD in 1999, shortly after it became an independent self-funding charity

Patrick Lencioni is one of America’s pre-eminent thought leaders on topics related to leadership, management and teamwork at the executive level

Louise Smalley joined the board of Whitbread in 2012, making the hospitality brand one of the most diverse in the FTSE 100 in terms of number of female board members

Bernie Kingsley joined the group as head of human resources in March 2009

Rachel Brace has more than 20 years’ experience in HR

Andy Dodman is chief officer of HR at Leeds City Council, the second largest local authority in the UK