Management

Wayne Spencer

Geoscience Manager

Wayne Spencer is Geoscience Manager for Twinza and is a petroleum geologist with a broad range of technical and managerial experience and over 35 years in the industry, most of that in Asia. Wayne moved to Asia in 1981 and worked on exploration, appraisal and development projects across Indonesia, the discovery of Tangguh Field, Oseil Field, Mudi Field. Kuala Langsa Field and Ujung Pangkah Field. In 1995 Wayne joined Premier Oil and developed a strong track record of managing successful exploration projects.

At Premier Oil Wayne reported to the Exploration Director and supervised Premier’s Indonesia and Vietnam Exploration teams as well as Asia Exploration New Ventures. His responsibilities included strategy planning & implementation, budget planning & management, organization management, portfolio management and G&G quality assurance. Wayne worked on the management team developing Anoa, Gajah Baru, Pelikan, Naga and Iguana fields in the NW Java Sea as well as Chim Sao Field in offshore Vietnam.

Wayne holds a BSc in Geology from University of Calgary.


Robert Mountjoy

Pasca A Project Director

Robert Mountjoy is an engineer and project management professional in the upstream oil and gas industry. He has more than 30 years of design, construction, commissioning and project management of large scale offshore and modularised projects, including several FPSO’s. He has a proven track record of success in multinational and multicultural environments, resolving complex project execution challenges and delivering excellent outcomes. For the last 20 years Rob has led and directed mega projects for BHP Petroleum, SBM, NOV, Prosafe, Viking, JGC Corporation and M3nergy, whilst based in Australia, Texas, Japan, Malaysia and Singapore.

Rob graduated from Canterbury University in Electrical and Electronic Engineering (BE 1st Cl Hons) and is a certified Project Management Professional.


Mathew Rimkus

Commercial Manager and Company Secretary

Mathew is a commercial professional having spent well over 10 years in the oil and gas industry working in both the commercial and marketing functions. He has gained extensive experience in the negotiation of joint venture agreements, corporate and asset acquisitions, oil sales and LNG marketing.

Before joining Twinza, Mathew had senior commercial and marketing roles at Oil Search Limited in Sydney. Notable achievements included the negotiation of the Papua LNG Joint Operating Agreement, the PNG LNG Expansion tie-in and processing agreements and a farm-down of the P’nyang field. Mathew was active in the sales of the Kutubu Blend from PNG and also in the marketing of Oil Search’s equity share from Papua LNG and PNG LNG Expansion. He has spent considerable time in PNG over the last 5 years.

Prior to joining Oil Search, Mathew held various roles in the Commercial function at Woodside Petroleum, which included stewardship of the Pluto LNG Project and the Australia Oil Business.

Mathew holds a BComm and MAppFin from Curtin University of Technology Perth. He is also a member of the Institute of Chartered Accountants and the Association of International Petroleum Negotiators.


Peter Kirkham

Project Engineering and Commercialisation Manager

Peter Kirkham is Engineering and Commercialisation Manager for Twinza and has 20 years of international experience, including a prior role as executive director role at an AiM-listed exploration company. Peter has extensive experience evaluating and delivering oil and gas corporate and asset transactions within independents, supplemented by consulting on megaproject developments for major oil companies.

Immediately prior to joining Twinza, Peter was a senior project analyst at Independent Project Analysis (IPA), an international project consultancy reviewing capital project performance, based in London and operating internationally. At IPA he conducted more than 100 oil and gas project evaluations in different phases of the project life-cycle, including many of the most significant developments being undertaken in the world at the time.

Peter holds an MEng (Hons) and MA in Engineering, from the University of Cambridge, and an MEngSc, Petroleum Engineering, from the University of NSW, Australia.


Simon Newton

Engineering Manager

Simon Newton is Project Facilities Manager for Twinza and is an experienced oil and gas professional with strong technical capability and 20 years of broad business experience. He has led or been involved with more than 50 projects in the oil and gas sector across Asia, Africa, Europe and the Middle East. Simon is skilled at developing technical solutions, economic evaluations, financial models and development plans.

Prior to joining Twinza, Simon was Business Development Manager with ThyssenKrupp Industrial Solutions, following its acquisition of Energy & Power, an engineering consultancy specialising in LNG projects, where Simon was Business Manager for Asia. In previous years he has held lead engineering roles in Bechtel Ltd KBR & MW Kellogg and Foster Wheeler.

Simon holds an MEng (Hons) from the University of Cambridge in Natural Sciences and Chemical Engineering, he also holds an MBA from INSEAD and is a Chartered Engineer, MIChemE, with 20 years of project and process engineering experience.


Roppe Uyassi

PNG Country Manager

Roppe Uyassi has been the Country Manager for Twinza Oil in Papua New Guinea since November 2017 having been the Commercial Manager PNG previously.

Roppe has six years of experience with Deloitte’s corporate finance team in Port Moresby, rising up to Manager of Corporate Finance in PNG. In his time at Deloitte Roppe’s primary areas of experience was in valuations, M&A advisory including financial due diligence reviews in PNG and the South Pacific region. In addition, Roppe gained experience in a variety of engagements including strategic reviews, strategic advisory and financial modelling.

Roppe graduated from the Queensland University of Technology, Brisbane, with a Bachelor of Economics co-majoring in finance and is a Certified Practising Accountant with CPAPNG.