Our Team

Brian Spratley

Business Advisor

BSc (Wales) CEng EurIng MIMMM Corporate Management and Strategy. Currently Technical Director for Tri-Star Resources PLC. Project planning, engineering and development Anglo American, African Exploration, Techpro Mining & Metallurgy, SNC Lavalin, Lundin Group (1995-2003) (Tenke Fungurume, DRC; Storliden, Sweden), Crew Gold Corporation (2003-2008) (Nalunaq and Seqi Olivine, Greenland; Nugget Pond, Newfoundland; Lefa, Guinea), Grängesberg Iron Ore plc (2008), and Nusantara Energy, Indonesia, 1.5 years Tri-Star.

Sean Spratley


BSc (Hon’s) Founded the ATEC-3D in 2012. An Environmental Manager at Tri-Star Resources plc, He has 10 years’ experience with in Environmental Baseline Studies, Ecological and Environmental practices. 2 years on-going Tri-Star Resources (Environmental Manager); 5 years Teaching (Science KS3 co-ordinator); Environmental processes, Ecology and General Sciences Inc. Environmental Consulting; 3 years Crew Gold Corporation (Environmental Scientist), Nalunaq, Rio Narcea (Spain), Seqi (Greenland, Olivine); 6 months Junior Environmental Scientist at Golder Associates UK ltd, various studies for worldwide projects (UK) He read Marine and Freshwater at the University of Wales Aberystwyth.

Simon Spratley

Deputy Accountable Manager

/ UAV Pilot/ Instructor /UAV Technical Maintainer

Worked as draftsperson using GIS mapping. 8 months working for Saab Seaeye in the research engineering department on the new Jaguar (ROV) as a mechanical fitter and operator. 13 years as a weapons operator and maintenance engineer with the Royal Navy. Operating and instructing the Royal Navy’s new Seafox Mine Disposal system (ROV). Trained as a Warfare maintainer engineer at HMS Collingwood.