Key Personnel

Nick WilshawManaging Director – Nick Wilshaw
Nick Wilshaw has over 30 years’ experience in the global minerals industry, graduating from the Camborne School of Mines with a BSc in Mineral Processing and an MSc in Mineral Processing from Queens University, Canada. Nick’s professional career spans all areas of industrial & metalliferous minerals processing and oil field related minerals and applications.  His experience ranges from R&D, product development, production and product marketing through to plant specification design & commissioning.  Nick also provides advice on market analysis and mining investment.


james-gaydon-senior-metallurgistSenior Metallurgist & Lab Manager – Dr James Gaydon
James Gaydon joined GSL following several years with FLSmidth.  He has a BSc in Chemistry from the University of Bath, completing a PhD in ore sorting at Camborne School of Mines (University of Exeter) in 2011.  He brings a wealth of experience in advanced ore sorting techniques and data analysis, in addition to practical and plant expertise in all aspects of mineral processing, particularly tailings management and thickening.


Metallurgist – Thomas Rescorl
Thomas Rescorl joined Grinding Solutions after completing a degree in Mining and Mineral Engineering at Camborne School of Mines (University of Exeter). Thomas works on all aspects of Grinding Solutions laboratory mineral processing projects, and specialises in comminution and fine grinding testing  for both industrial and metalliferous minerals projects.


jon-rumbles-metallurgistMetallurgist – Jon Rumbles
Jon Rumbles has a BSc in Geology from Royal Holloway University of London and completed his MSc in Mining Engineering at Camborne School of Mines in 2015, for which his MSc project focused on early financial appraisal of Cu mining projects.  Jon is involved in all aspects of mineral processing testing, specialising in froth flotation testing for a wide range of sulphide and oxide ores.


jack-carrMetallurgist – Jack Carr
Jack Carr joined Grinding Solutions with a BSc in Exploration and Resource Geology from Cardiff University, and completed his MSc in Mining Engineering at Camborne School of Mines in 2016.  His MSc project focused on biohydrometallurgy of polymetallic sulphide concentrate, and his speciality is the integration of pulp chemistry with comminution testing.  He is also involved in all aspects of mineral processing testing in the Grinding Solutions laboratory.


kathryn HadlerFlotation Consultant – Dr Kathryn Hadler
Kathryn Hadler divides her time between academia and consultancy and her area of expertise is froth flotation. She has MEng and PhD degrees in Chemical Engineering from the University of Manchester.  Her research career to date has focused on optimising flotation performance through understanding and improving froth stability and she has carried out numerous industrial experimental programmes around the world.  At Grinding Solutions, Kathryn specialises in linking mineralogical analysis with flotation optimisation.