meet our team


Grant King

Chair at North Harbour Clean Energy

Grant King is currently Chairman of HSBC Australia, the Climate Change Authority, CWP Renewables and Green Collar. Grant was Managing Director of Origin Energy Ltd between 2000 and 2016 following its demerger from Boral, where he was Managing Director of Boral Energy. He is a former Director of BHP Billiton Limited, Contact Energy Ltd, Envestra Ltd and the Australian Petroleum Production and Exploration Association Ltd (APPEA).

Grant is the former Chairman of Australia Pacific LNG, Oil Company of Australia Ltd and the Energy Supply Association of Australia (ESAA). He was appointed President of the Business Council of Australia in 2016, a role he held until 2019, and is also a Fellow of the Australian Institute of Company Directors.


Allison Warburton

Board Member of North Harbour Clean Energy

Allison is an experienced company director and senior executive who brings 30 years’ commercial, operational, policy and governance experience in the energy sector.


She established and led the climate practice at the law firm, Minter Ellison, setting up some of Australia’s first carbon capture and storage offset projects. She was recently appointed Chair of CleanCo and is currently also a director of the Scheme Financial Vehicle for the NSW Electricity Infrastructure Roadmap, director of Lacuna Professional Solutions and sits as a member of the King’s College Council, University of Queensland. 


Alison previously served as Commissioner at the Australian Energy Market Commission overseeing development of energy policy reforms and market rules. She was a director of Stanwell Corporation Limited and was appointed to the Queensland Government’s independent Renewable Energy Expert Panel.

The Hon. Robert Hill

Board Member of North Harbour Clean Energy

The Hon. Robert Hill brings considerable public policy, political and environmental connections as well as direct start-up experience as the Chairman of Re Group a recycling business. Robert is a former barrister and solicitor who specialised in corporate and taxation law and who now consults in international political risk.


Robert was previously Australia’s Minister for Defence, Minister for the Environment and Leader of the Government in the Senate during his time as a Senator for South Australia. He is a former Chancellor of the University of Adelaide, former Chairman of the Australian Carbon Trust (later Low Carbon Australia Ltd.).


He is currently an Adjunct Professor in Sustainability at the US Studies Centre at the University of Sydney and Chairman of the CRC for Low Carbon Living at UNSW, Chairman of Viva Energy, Chairman of Re Group Pty Limited and a former Chairman of the NSW Biodiversity Conservation Trust.

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Josh Ryan

Board Member of North Harbour Clean Energy


Josh has over ten years of experience working in public company corporate development, corporate finance advisory and investment management roles during time spent across the UK and Australia.


Josh has particular experience in sustainable technologies as well as the automotive and broader industrial sectors.

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Tony Schultz

Managing Director and a Board Member of North Harbour Clean Energy

Tony is an experienced leader in the energy industry spanning the areas of investment, finance, project management, contracting and engineering. Tony has strong networks and relationships across the energy sector and investment community. 


Prior to this role, he has been Managing Director, Kohlberg Kravis Roberts & Co (KKR), and has held several board roles. Prior to KKR he held pivotal management roles with TCW, Westpac, Halliburton, Duke Energy, KBR and Kinhill Engineers.


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Justine Isemonger

General Counsel at North Harbour Clean Energy

Justine is an experienced corporate and commercial lawyer, having worked in leading law firms in Sydney and London and as in-house counsel in the corporate and not-for-profit sectors. She has advised on a broad range of corporate, commercial contract, M&A, financial services, and risk and compliance matters.  


She was previously the Director, Legal and Company Secretary at Social Ventures Australia (SVA). Prior to SVA, she held roles at Fairfax Media, Herbert Smith Freehills, Slaughter and May and Minter Ellison.


Justine keeps busy outside of work spending countless hours at cricket and rugby matches with her husband and 3 sons, and (slowly) regenerating a large garden and the landscape at their farm south of Sydney.

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Gavin Mullett

Chief Financial Officer (CFO) at North Harbour Clean Energy

Gavin joined North Harbour as CFO in March 2023. Gavin was formerly Head of Infrastructure investment management for Challenger Limited where he was responsible for a diversified portfolio of energy, utility and infrastructure investments.


He has previously held roles at JPMorgan in Sydney and NatWest Markets in London. Gavin holds a Bachelor of Business and Legal Studies as well as a Master of Business Studies (Finance) degree from University College Dublin. He also holds a postgraduate qualification in I.T. from UNSW and is a graduate of the Australian Institute of Company Directors.

Emily Wilkinson

General Manager, Hydropower at North Harbour Clean Energy

Emily is an experienced civil engineer and project manager and has worked across a range of major infrastructure projects, with a focus on hydropower and dams, over the past five years.


She has worked for SMEC and Leighton Contractors (now CPB) and has been integral to the projects Snowy 2.0 Pumped Hydro Energy Storage and new Dungowan Dam.


Outside of work, and during her lunch breaks at the Manly office, Emily enjoys reading, surfing and swimming.

John Hann

Head of Planning and Stakeholder Engagement at North Harbour Clean Energy

John Hann is a former Deputy Chair and Commissioner, NSW Independent Planning Commission (IPC) from 2015 to 2021 and chaired the IPC Risk and Compliance Committee from 2020 to 2021. He has recently been appointed as a member of the Sydney District and Regional Planning Panels, in addition to the panel of Chairs for the NSW DPE Community Consultative Committees. John was also appointed Independent Chair of the NSW DPE Flood Technical Advisory Group and served as Principal Advisor to the 2022 NSW Flood Inquiry.


John’s senior management roles include leading planning approvals, environmental compliance and stakeholder engagement with Holcim Australia and corporate advisory to Adelaide Brighton Ltd and Fletcher Building Limited.

James Hyde

Head of Corporate Development at North Harbour Clean Energy

James has two decades of experience advising corporations on mergers, acquisitions and divestments across various industries including industrials, resources and more recently in energy transition. 


Prior to joining North Harbour, James spent several years working at CIBC World Markets and began his career in the Royal Australian Air Force after graduating from the Australian Defence Force Academy.


James enjoys most outdoor activities starting with the letter “S” and dreams of travelling the world under sail, solar and battery power.

Dianne Nicotra

Senior Project Manager at North Harbour Clean Energy

Dianne is a skilled energy industry professional with over 15 years’ experience in diverse roles including power development, grid connections, project management, technical, planning, and wholesale trading functions.


Prior to joining North Harbour Clean Energy, Dianne worked at Alinta Energy, where she was involved in the development and execution of major projects including Yandin Wind Farm, Port Hedland Solar Farm & BESS, Oven Mountain Pumped Hydro (OMPS), and others. Earlier in her career Dianne was a Spot trader/analyst, identifying opportunities in the NEM optimising the dispatch of Eraring Power Station (Australia’s largest coal-fired power station) and Shoalhaven Hydro Pump Storage Scheme.


Outside of work Dianne enjoys all things to do with live music and exploring the great outdoors.

Alistair See

Senior Commercial Analyst at North Harbour Clean Energy

Alistair has worked across various industries, with a focus on financial risk, investments and strategy over the last 10 years. Prior to joining North Harbour, Alistair was a Senior Quantitative Risk Analyst at Snowy Hydro where he first got his exposure to the Australian electricity market and the desire to push forward the energy transition. Alistair holds a Bachelor of Actuarial Studies and Bachelor of Applied Finance at Macquarie University.


Outside of work and crunching numbers, Alistair enjoys training their mischievous cavoodle with his wife, and doing outdoor activities such as tennis, golf and swimming. He is also known to be quite competitive when playing board games.


Leigh Clifford AO

Senior Adviser at North Harbour Clean Energy

Leigh Clifford AO is the Chairman of Crestone Wealth Management, a Director of Bechtel Group Inc (USA) and Chairman of Bechtel Australia Pty Ltd, a Senior Adviser to Kohlberg Kravis Roberts & Co, a member of the Council of Trustees of the National Gallery of Victoria, Chairman of the National Gallery of Victoria, Foundation Chairman of the University of Melbourne’s philanthropic campaign and Chairman of the Robert Menzies Institute.


Leigh has also been Chairman of Qantas and Chief Executive and Director of Rio Tinto, with a career spanning 37 years.

Kylie Hargreaves

Senior Adviser at North Harbour Clean Energy

Kylie Hargreaves has a distinguished career spanning 25 years in Federal & State Government, a decade of international experience, and a successful entrepreneurial journey.


Kylie is the Chair of the Australian Alliance for Energy Productivity (A2EP), Deputy Chair of Regional Development Australia (RDA) Sydney, a member of the Wholesale Energy Dispute Resolution Adviser (WEMDRA) Panel, and Energy Editor at IdeaSpies, an open innovation platform designed to share clever ideas.


She is former Chair of the Australian Ocean Energy Group and Deputy Secretary for several portfolios in the NSW Government, including Resources and Energy. Since leaving Government Kylie has worked with numerous major energy and infrastructure companies to accelerate their investment in renewable energy and decarbonisation.

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