Derek Thomas is the Member of Parliament for the constituency of West Cornwall and the Isles of Scilly (St Ives), serving as the area's first Conservative MP since 1997. He was initially elected in the 2015 General Election, and he was re-elected in 2019 with a larger majority. Derek focuses his work on six key priority areas, including keeping Post Office services open, improving the bus network, and securing infrastructure funding.

One of his top priorities is tackling climate change and protecting biodiversity and the environment, exemplified by his successful initiative called the 'WR2020 Project,' which aimed to plant 20,000 trees in West Cornwall by the end of 2020. Derek maintains an up-to-date understanding of constituency life by regularly meeting with various stakeholders such as NHS personnel, farmers, teachers, and small business owners. In parliament, he has advocated for a range of topics, including Bank Holidays, community pharmacies, and food security.

Derek is also actively involved in charity work, supporting initiatives such as Brain Tumour Research and the Sport Cornwall Foundation. As a lifelong resident of West Cornwall, Derek Thomas is dedicated to serving his constituents and addressing their needs