Environment Leaders Panel

Brian Sullivan
Executive Director, IPIECA

Brian joined IPIECA as the Executive Director in 2011 after 23 years working at BP and has experience in the biofuels industry.

Brian’s current role involves representing the global oil and gas industry with the United Nations Environment Programme.

Brian graduated in Metallurgy and Materials Science from Imperial College, London, UK and was recruited into BP’s Refining and Marketing international graduate programme in 1986. His career included assignments in London, Copenhagen, Budapest, Athens and Johannesburg, and business experience in over 60 countries.

During his time with BP, Brian has had a varied career of technical, commercial, financial and leadership roles across the downstream value chain including crude and products trading, marine fuels, lubricants and alternative energy.

IPIECA is the global oil and gas industry association for environmental and social issues. They have been championing good practice in environmental and social performance for over 40 years.


Livia Esterhazy
CEO of WWF New Zealand

Livia joined WWF-New Zealand in May 2017 as CEO. Livia recently retired from the role of Managing Director at Clemenger BBDO where she successfully led the modernisation of the Wellington-based business. With French, Australian and shortly New Zealand citizenship, she is in many ways a global citizen and has put roots down with her family in Aotearoa. After more than a decade managing advertising agencies, she reached a point in her career where she wants to apply her commercial expertise to make a positive contribution to the wider social good. She is hugely passionate about sustainability, environmental matters and creating real impact, and sees this role as an exciting opportunity to raise the success of a leading brand with conservation and environmental sustainability at its core.


James Walker
Deputy Secretary, Partnerships and Customers

Jame’s role as Deputy Secretary is a newly created role purposed to effectively partner and engage within the public and private sectors. “Developing partnerships, building strong relationships with iwi and Māori, and bringing New Zealanders along on the journey with us is critical to our role as stewards for the environment.” James will also lead the management of investments including the waste management fund and funding for freshwater clean-ups.

James joins the Ministry for the Environment from the Countdown Supermarket group. Prior to joining Countdown, James worked for the Ministry of Foreign Affairs and Trade, and was Deputy Ambassador at the New Zealand Embassy in the Netherlands.