Management Team

CraigMarschall3Craig Marschall - Managing Director

Craig is Principal Consultant of Trans Tasman Energy Group, a specialist energy consultancy based in Melbourne which he established in 1999.

Craig has held senior positions in the private sector, including:


•    18 years at Mobil Oil Australia in various operational and management

      positions (including Manager, LPG).

•     Chief Executive Officer of the Australasian Natural Gas Vehicles Council.

•     Managing Director of IMPCO Technologies, Australian Division.

•     Vice President of the International Association of Natural Gas Vehicles.


Craig has held various energy advisory positions to government and the private sector, both locally and internationally




Nuwanthi Seneviratne - General Manager

Highly credentialed with a Bachelor of Business (Hons) and an MBA, Nuwanthi brings six years of key  project management and business development expertise to TTEG.


Coupled with proven organisational and marketing skills, Nuwanthi has led technical and marketing teams to achieve continued successes including national recognition for excellence and innovation in the retail and service industry.


Nuwanthi joined TTEG in 2006 to lead the innovation and continued development of our teams, processes and systems to maximise the benefit we can deliver to our clients.


In her current role as General Manager Nuwanthi represents TTEG to our senior clients, retailers, distributors, regulators and other industry stakeholders.