John Castell

John Castell is an experienced Engineering Consultant and Director at Castec Engineering Ltd, as well as a Project Manager at Quest Global, both roles commenced in May 2025. Prior to these positions, John held various titles at Tritech Group from May 2013 to September 2023, including Engineering Manager, Senior Process Engineer, Head of Engineering for the UK Group, Process Engineer, and Apprentice Engineer. John holds a Level 4 Diploma in Management from the Chartered Management Institute and a degree in Mechanical Engineering with Distinction from Yale College. Additionally, John has completed a Managing Health & Safety course through IOSH with Distinction.