Sam Bartholomaeus

Head of Energy (Australia)

BHP is a leading domestic gas supplier and a material consumer of energy in Australia.

Sam Bartholomaeus has been with BHP for over a decade and worked across its Petroleum portfolio in various commercial roles in Australia, Singapore and the US.

Sam leads a team of focussed energy professionals responsible for BHP integrated energy portfolio in Australia which includes domestic gas sales, electricity procurement and carbon management.

Prior to joining BHP, Sam worked for Dampier Bunbury Pipeline and the Office of Energy (Western Australian State Government). Sam holds a Masters of Business Administration.


Guy Chalkley

Chief Executive Officer
Western Power

Guy Chalkley commenced at Western Power in December 2011 as Operations Commercial Manager. He was later appointed Head of Business Planning and Reporting before joining the Executive Management Team as Chief Financial Officer in February 2015. He was appointed Chief Executive Officer in July 2016.

Guy brings a wealth of international, financial and operational experience across a diverse range of sectors operating and residing in a number of continents including Asia, Africa, Europe, North and South America, and Australia. He is also a Leadership WA 2013 Alumni, graduate of the Australian Institute of Company Directors (AICD), Fellow of the Association of Chartered Certified Accountants (FCCA) and Chairman of the Finance, Audit and Risk Management Committee on the Board of Energy Networks Australia. 

Guy is instrumental in shifting the dial on diversity at Western Power, lifting the percentage of female leaders and increasing the intake of female apprentices in a male dominated blue collar workforce to better reflect the diversity of the community Western Power serves.


Hon Bill Johnston MLA

Minister for Mines and Petroleum; Energy; Industrial Relations

Bill Johnston was elected to Parliament in September 2008 as the State Member for Cannington. 

He was sworn in as the Mines and Petroleum, Commerce and Industrial Relations, Electoral Affairs, and our State’s first Asian Engagement Minister in March 2017. In December 2018, he took over the Energy portfolio.

In Opposition, Bill served as Shadow Minister for State Development and Energy from 2012, and Shadow Minister for Mines and Petroleum from 2013. He was a Member of the Economics and Industry Standing Committee and Deputy Chair of the Inquiry into Domestic Gas Prices from 2010 to 2011.

Prior to entering Parliament, he was the State Secretary of WA Labor from 2001 until 2008, with responsibility for all State and Federal election campaigns. As Assistant State Secretary of WA Labor from 1998 until 2001, his duties included creating and operating the Labor Business Roundtable, that connects WA Labor with business, industry and the not-for-profit sector in WA.


Bruce Mountain

Associate Professor, Director
Victoria Energy Policy Centre, Victoria University

Bruce is the inaugural Director of the Victoria Energy Policy Centre. He is a well-known Australian energy economist whose research and advisory work has focussed on the economic regulation of network monopolies, the analysis of retail energy markets, and the design of emission reduction and renewable energy policies. Bruce has been a long standing advisor to governments, regulators, market participants and interest groups in Australia and internationally. He has a PhD in economics, a Bachelor’s and a Master’s degree in Electrical Engineering and qualified as an accountant.


Robert Pritchard

Executive Director
Energy Policy Institute of Australia

Robert is executive director of the Energy Policy Institute of Australia, an independent industry policy body, and Resources Law International Associates Pty Ltd.

He has 50 years’ experience advising on investment in resources and energy projects, spanning oil, gas, LNG, coal, renewables, magnesite, alumina, aluminium, uranium and nuclear energy. He has also been involved in a wide range of privatisation and private infrastructure projects.

Robert presently serves as chairman of the St Baker Energy Innovation Fund and SMR Nuclear Technology Pty Ltd.


Paul StevensProf Paul Stevens

Distinguished Fellow
Chatham House

Professor Paul Stevens is a Distinguished Fellow at Chatham House. Educated as an economist and as a specialist on the Middle East at Cambridge and the School of Oriental and African Studies. Between 1973-1979, he was teaching economics at the American University of Beirut in Lebanon and between 1979-93 at the University of Surrey. Between 1993 and 2008, he was Professor of Petroleum Policy and Economics at the Centre for Energy, Petroleum and Mineral Law and Policy, University of Dundee, Scotland, a chair created by BP.  He is also Professor Emeritus at the University of Dundee, a Distinguished Fellow at the Institute of Energy Economics, Japan and until recently a Visiting Professor at University College London (Australia). He has published extensively on energy economics, international petroleum, economic development issues and the political economy of the Gulf.  He also works as a consultant for many companies and governments. In March 2009 he was presented with the OPEC Award in recognition of his outstanding work in the field of oil and energy research. In May 2018 he was given a Lifetime Achievement Award for the Advancement of Education for Future Energy Leaders by the Al-Attiyah Foundation.