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Humphrey is a Consultant in the CRU Fertilizers team, analysing costs across the industry.

He contributes to the Nitrogen, Phosphate and Potash Cost Reports.

Prior to joining CRU, Humphrey worked as a geologist at a major lead-zinc mine in the Republic of Ireland and at a gold exploration project in Mexico.

He holds an MSc in Geology from Imperial College London and an MSc in Mining Geology from Camborne School of Mines (University of Exeter).

Articles from our industry expert

Insight

What does the surprise abolition of China’s potash export tariff mean for the global SOP market?

From 1st January 2019, China’s Ministry of Finance - in an unexpected policy shift - has removed all potash export tariffs with major implications for the potassium...

By Seán Mulholland & Humphrey Knight 08 January 2019