Our Management

Dean Masefield

Dean Masefield

Deputy CFO/Director of IR

Dean joined Ronez in 2017 and was the Finance Director of the Ronez platform until becoming SigmaRoc’s Finance Director in 2020. He now manages Investor Relations while acting as deputy CFO. 

Marcel Gestranius

CFO/deputy CEO Nordkalk

Marcel joined Nordkalk in 1998 and has since held various senior positions within finance and administration until becoming the company’s CFO in 2015.

Charles Trigg

Charles Trigg

Chief Technical Officer

Charles co-founded SigmaRoc plc together with David Barrett and Max Vermorken in August 2016 and has served as its Technical Director.

Fons Vermorken

Chief Information Officer

Fons joined SigmaRoc at its founding in 2016 as a consultant, and now acts as its CIO.

Emmanuel Maes

Emmanuel Maes

ExCo Europe

Emmanuel joined SigmaRoc in 2019 and is the ExCo of our European arm. Previously he was CEO of Group De Cloedt.

Anthony Brockbank

General Counsel

Anthony is a qualified solicitor specialising in Corporate Finance. He acts as General Counsel for SigmaRoc.