Mr Lubing Liu

Chief Operating Officer, Trinidad General Manager and Executive Director


Mr Lubing Liu has over 20 years of global experience in petroleum exploration, development, production, joint venture operations and new ventures. He is currently an independent consultant to Melbana Energy Limited (formerly MEO Australia Limited, an ASX-listed company). Prior to that, he held various subsurface leader roles, including Chief Reservoir Engineer with Melbana Energy Limited, Vice President of Exploration and Petroleum Technology with Sinopec East Puffin Pty Ltd, and other international exploration and production and energy service companies including ConocoPhillips, CNOOC, Woodside, RPS and Senergy. Mr Liu has extensive waterflooding experience having worked at the Penglai oilfield in China, the Chinguetti oilfield in Mauritania and Block 95 in Peru. Mr Liu holds a BSc in Petroleum Engineering from the Southwest Petroleum University, China. He is a Member of the Society of Petroleum Engineers.

Mrs Liz Harford

Trinidad Chief Financial Officer


Mrs Liz Harford has over 21 years’ experience in finance, predominantly within the oil and gas sector in Trinidad. She has held various positions with Range’s Trinidad operations over the years including senior accountant, financial controller and currently the CFO responsible for leading the financial team. She has been instrumental in Range’s progress in Trinidad within various areas of expertise such as financial management and reporting, fiscal management, procurement, inventory control, taxation and auditing. Liz is a Fellow of the Association of Certified Chartered Accountants in UK, member of Institution of Chartered Accountants of Trinidad and Tobago and a Certified Internal Auditor accredited by the Institute of Certified Internal Auditors in the US.

Ms Karlene Ali

Trinidad Deputy General Manager


Ms Karlene Ali has over 10 years of oil industry experience, having held various finance, HSE and administrative positions with independent oil and gas companies in Trinidad. Prior to joining Range in 2014, Karlene was a Business Development Manager with West Indian Energy Group Limited. From 2006-2013, Karlene worked at Jasmin Oil and Gas Limited, where she was instrumental in building and maintaining the company’s finance and HSE systems. In Range’s Trinidad operations, Karlene is responsible for communications, government and stakeholder relations, corporate social responsibility and contract compliance. Karlene is a member of the Association of Business Executives (UK) and holds an MBA from the Anglia Ruskin University.