Mr James P Mawhinney (Chief Executive Officer & Managing Director)

Mr Mawhinney  has a track record of taking business’ from strength to strength, at Global Graphene Technologies it is no different. His positive approach and strong global network has enabled GGT to establish key strategic alliances, source key personnel, access capital for growth and chart a clear path forward. 

Mr Mawhinney has a corporate finance background, previously ran an ASX-listed group employing over 130 staff and has expertise based on hands-on experience in developing companies to be ready to be listed on public markets globally.


Mr Sheriozha A Wijekoon (Sales Director)

Mr Wijekoon is based at the Global Graphene Technologies Processing Plant in Sri Lanka and works closely with GGT’s Sales & Marketing team to source new supply opportunities globally.   Mr Wijekoon is one of the founding members of RS Mines which is responsible for identifying and securing The Queen’s Mine, one of the largest known graphite reserves in Sri Lanka.

Mr Wijekoon has an extensive knowledge of the commercial applications of graphene-related technologies drawing on his engineering background and extensive time based in the United Kingdom.  Mr Wijekoon provides GGT with valuable insight into the future of the graphene market and is key to helping GGT stay ahead of market trends.