GES Team

Your Safe Haven of Graphite


Benjamin K. Sarkoezy, MSc.

Chief Executive Officer

Strategist, Entrepreneur & Investor

peter sun

Hongsheng Sun

Chairman GES Europe & CEO GES Asia Pacific

Graphite expert with over 35 years experience


David Barrington

General Manager

Seasoned General Manager with outstanding achievements in general management and sales into high temperature heat containment industries.



Geoffrey E Bolton

Senior Advisor Electric Arc Furnace & Electrodes

EAF expert advisor with over 50 years of experience. Specialising in root cause analysis or just an explanation of "what actually happened?"


Murat Caliskan

Sales Director of Specialty Graphite

Specialty Graphite expert with over 18 years experience


Karen Sun, MSc.

Operations & Office Manager

Logistics support A to Z as well as technical support.