John Cleland - Appointed 18 July 2016John Cleland
Chief Executive Officer
BEc DipFinMan CA FFin, GAICD

John is an experienced Chief Executive Officer with comprehensive executive and non-executive experience with large and complex organisations in the infrastructure (rail, ports, energy transmission and distribution), resources and logistics sectors.

John is a director of Essential Energy and a member of its Board Regulatory Committee, and the Deputy Chair of Energy Networks Australia.

John previously held the position of Head of Infrastructure, Coal Division at Anglo American PLC and prior to that he was the CEO of WestNet Infrastructure Group.

Patrick Bossert - Appointed 9 December 2020Patrick Bossert
Chief Transformation Officer
BEng (Hons)

Patrick is a specialist in digital modernisation of critical national infrastructure services with extensive experience of transformation design and delivery in telecommunications, rail, road, water and energy sectors globally.

Patrick previously held the position of Executive General Manager Digital and Transformation with Ausgrid, having joined from Ernst & Young where he led their Infrastructure Intelligence practice for the United Kingdom and subsequently Australia.

Mike Bowan - Appointed 30 January 2017Mike Bowan
General Counsel and Company Secretary
BA LlB (Hons)

Mike is an experienced executive with expertise in commercial enterprise including legal counsel, stakeholder management, risk, audit and compliance.

Having trained as a corporate lawyer, Mike has spent much of his career in the banking sector in senior executive roles, including Chief of Staff at Westpac, and General Counsel and Secretary for St. George Bank Limited.

Mike is also Essential Energy’s nominated director on the board of the Energy Industries Superannuation Scheme (since September 2021).

Chantelle Bramley - Appointed 1 November 2021Chantelle Bramley
Executive General Manager Corporate Affairs
BEc (Hons), MSc, LLM

Chantelle has worked on regulatory and strategic energy policy issues for almost 20 years with international experience in high ranking positions in the United Kingdom, Canada and the United States. Chantelle has been a member of the Executive Leadership Team since 2018.


Chantelle previously held the position of General Manager Strategy, Regulation and Corporate Affairs with Essential Energy, Executive General Manager, Strategy and Economics with the Australian Energy Market Commission, and Vice-President Strategy and Chief of Staff with Direct Energy based in Houston.


Justin Hillier - Appointed 1 November 2021Justin Hillier
Chief Commercial Officer
BBus, CA, GDipAppFinInv, FINSIA

Justin is an experienced executive with expertise in financial management, strategic planning, corporate development and negotiating commercial transactions in energy, mining and finance sectors across Australia and Asia. Justin has been a member of the Executive Leadership Team since 2016.

Justin previously held the position of Chief Financial Officer with Essential Energy, Executive Vice President (Acting CEO) with Glencore on the Tampakan Copper-Gold Project and senior commercial roles with global accounting firm, PricewaterhouseCoopers and Tarong Energy.


Luke Jenner - Appointed 1 November 2021Luke Jenner
Chief Operating Officer
BEng (Hons), EMBA, GAICD

Luke is an experienced executive with engineering and operational expertise in the energy and mining industries. Luke has been a member of Executive Leadership Team since 2012.


Luke has spent much of his career in the energy and mining sectors in senior management roles, including as Executive Manager Engineering, General Manager Customer and Network Services and General Manager People and Services with Essential Energy, and various Engineering Management roles with DBT (now Caterpillar), a global mining equipment supplier, and Royal Dutch Shell’s underground coal division.


Sarah McCullough - Appointed 11 February 2020Sarah McCullough
Chief Information Officer
GradCertMgt(InfoTech), MBA(Comp), GAICD

Sarah joined Essential Energy in 2018 as the Head of eTech Operations and was the Acting Chief Information Officer from 15 April 2019.

Sarah is an experienced Information Technology (“IT”) and Innovation senior leader and certified Organisational Change Manager, with over 20 years’ experience in the IT industry.

Sarah previously held the position of Head of Applications at Pacific National and Asciano, an ASX top 50 company.

Amalie Smith - Appointed 29 November 2021Amalie Smith
Chief Human Resources Officer
MBA (Log&SupChaMgt), GradCertBusMgt, GAICD

Amalie joined Essential Energy in July 2018 as the Works Delivery and Enablement Manager, soon after becoming the Head of Network Delivery and then Group Head of Network Investment and Maintenance. Amalie was also Acting General Manager Customer and Network Services at Essential Energy from 13 August 2021 to 1 November 2021 and a member of the Executive Leadership Team during that time.

Amalie has extensive experience in senior operational leadership and driving positive change in complex leadership roles. She also has expertise in supply chain management, health care and logistics, transformations and associated large-scale complex construction.

Amalie previously held the position of Capital Delivery Manager at GrainCorp and Managing Director of Territory Medical Group based in the Northern Territory.