Gareth is Managing Director of UK-based Strategic Materials Advisory and was a co-founder of USA-based Technology Metals Research, consulting and advisory firms operating in the critical-materials sector. He was co-founder, Chairman and Chief Executive Officer of Canada-based Innovation Metals Corp. (IMC) and co-inventor of IMC’s proprietary RapidSX™ separation and purification process, for critical, green-energy metals such as REEs, Li, Ni and Co. Gareth was previously Interim CEO and Director of Alabama Graphite, and Director of Technology at USA-based Dexter Magnetic Technologies, where he started his career focused on REE permanent-magnet design and engineering. He is co-inventor of five US patents.​

Gareth is Advisory Board Chair for the Rare Earth Industry Association (REIA), co-chair of the NATO Science and Technology Organization (STO) strategy team on REEs, and is a member of the UK ISO TC/298 Mirror Committee, working to develop international standards for the REE industry. He is Newsletter Editor of the IEEE Magnetics Society, and founder of the Magnetism & Electromagnetics Interest Group and the Strategic Materials Network, both at LinkedIn.com.
​
Gareth is a Fellow of the Royal Society of Arts, Manufacture and Commerce, a Fellow of the Institute of Materials, Minerals & Mining, a Fellow of the Institution of Engineering & Technology, a Senior Member of the Institute of Electrical and Electronic Engineers and is a Chartered Engineer. He holds a B.Eng. (Honours) degree in materials science & technology and a Ph.D. in metallurgy & materials, both from the University of Birmingham, with research focused on REE permanent-magnet alloys.

In 2019, Gareth was a recipient of the NATO STO Applied Vehicle Technology Panel Team Excellence Award, and in 2020 was the recipient of the IEEE Magnetics Society Distinguished Service Award.