Lesley spent her career with the Post Office Group, latterly as senior manager with responsibility for negotiations with government over legislation affecting the future status of the organisation.

In the voluntary sector, she was a Governor, and sometime Chair, of St Luke’s Special School, Redbourn from 1999 to 2016, Director of St Albans Credit Union from 2004 to 2010 and Deputy Chair of Rennie Grove Hospice Care from 2011 to 2018.

She was Chairman of the International Organ Festival Society Ltd from 1997 to 2005, and again from 2007 to 2011. She was appointed a Vice President in 2015, and resumed the Chairmanship of the Society in 2017.

She is also an elder and trustee of Homewood Road United Reformed Church.