Simon was elected the Conservative Member of Parliament for Carmarthen West and South Pembrokeshire in 2010 and re-elected in 2015.
He has served as a member of the Environment, Food and Rural Affairs Select Committee, the backbench Environment Committee, the OSCE and several All Party Parliamentary Groups.
Prior to being elected, Simon was Chief Executive of the Countryside Alliance, Europe's largest rural affairs lobby group for seven years. He also previously worked as a chartered surveyor in Carmarthen and Haverfordwest and served with the Territorial Army for five years.
He is 53 and lives near Narberth, Pembrokeshire with his wife and two children.