Siobhán Sheridan, chief people director, Ministry of Defence

Siobhán Sheridan joined the Ministry of Defence (MoD) in July 2017 as civilian HR director. She is responsible for the workforce of 57,000 civil servants, the broader civilian and contractor workforce, and is also responsible for diversity and inclusion strategy at group level

Sheridan joined the MoD with prior experience of working in the private, public and third sectors. She has previously been an HR director with Capital One, DEFRA, the DWP and the NSPCC.

Her background expertise in operational delivery informs her approach to delivering change, transforming organisations and leading HR functions. With a career commencing at the age of 16 in the finance sector she has a strong interest in social mobility and inclusion more broadly.

Sheridan is a chartered fellow of the CIPD and a member of the Guild of HR professionals. She holds a Masters degree in coaching and mentoring and a Masters in organisational change. She is now pursuing a PhD in the area of organisational change.

She learns a significant amount from her roles as a trustee for the Mental Health Foundation and as a committed senior volunteer with Crisis at Christmas.