Who We Are
Jonathan J. Butler
Jonathan Butler was born in Wigan, England. He is the Publications Manager at Johnson Matthey, responsible for managing Platinum Metals Review and writing Johnson Matthey's reports on the platinum group metals markets. He holds a PhD in Geology from the University of Edinburgh and an MA in Geography and MSc in Geomorphology from the University of Oxford.
Sara A. Coles
Sara Coles was born in Southport, North West England. She is the Assistant Editor on Platinum Metals Review. She holds an MChem (Hons) in Chemistry with French Studies from the University of Lancaster.
Margery Ryan
Margery Ryan was born in Pretoria, South Africa. She is the Editorial Assistant on Platinum Metals Review. She holds a BSc in Chemical Engineering from the University of Cape Town and has previously worked in refining and mineral processing at Impala Platinum, South Africa. She joined Platinum Metals Review from Johnson Matthey Noble Metals, where she had been working as a Laboratory Technician since 2006.
Keith W. P. White
Keith White was born in Bushey, Hertfordshire. He is the Senior Information Scientist on Platinum Metals Review. He holds a BSc (Hons) and PhD in Chemistry from the Polytechnic of North London. He was previously the Research & Development Manager at PMD (UK) Ltd, and before that a Senior Research Technologist with Cookson Group at the Cookson Technology Centre.




