We’ve changed a lot in recent years. We’ve grown to be one of Australia’s clearest voices on where energy’s headed. And how we’ll get there. Our executive team has shown the way. The talented leadership team help guide our 2500 strong workforce. They draw the different strings of our diverse business units into a whole, so we can pull together to deliver our core strategic objective. To light the way to a reliable, cleaner energy future for all. 

Guiding our purpose, principles and values

Catherine Tanna - Managing Director

Catherine Tanna

Catherine joined EnergyAustralia as Managing Director in July 2014.  Prior to joining EA, from 2009 she led the Australia & China businesses of BG Group, an FTSE listed international oil and gas company.  In a decade with Shell, she was Executive Vice President of Gas & Power with responsibility for Shell's LNG, gas transmission and power generation interests across Africa.  She also held similar roles covering North Asia, Russia, North America and Latin America.

Catherine was born in Queensland, raised in Gladstone, and studied at the University of Queensland.

She is a member of the Boards of the Reserve Bank of Australia and of the Business Council of Australia.


Mark Collette - Executive, Energy

Mark Collette

As Executive – Energy, Mark leads the Energy team comprising EnergyAustralia’s generation, energy trading and commercial and industrial sales and account management.  The Energy team make or buy the energy for all of EnergyAustralia’s customers from a portfolio of over 5000 MW (both equity and contract) of coal, gas and renewable generation.  

Mark has been with EnergyAustralia for fifteen years in a variety of roles across the wholesale and retail energy markets including Energy Markets, Corporate Strategy and Development and Sustainability.

Prior to joining EnergyAustralia, Mark worked for management consulting firm LEK consulting on a variety of commercial engagements in Australia, Thailand and the UK. 


Simone Gow - Executive Manager, Customer Operations

Simone Gow

Simone joined EnergyAustralia as Executive Manager Customer Operations in March 2014, and was appointed to  lead the Customer Experience team from 1 July 2015.  In January 2017, Simone took on the leadership of the Customer Transformation Program.

Prior to joining the business, Simone was Vice President Customer Operations at Optus where she led a large multisite business spanning Australia, India and the Philippines supporting a significant customer base across a full suite of Mass Market and Small Business products and services. 

Simone has had a diverse career operating large multi-site complex businesses spanning management of contact centres, field force, bad and doubtful debt management, retail and transformational experience across the Energy, Telecommunications and Financial Services sector.


Bob Fryer, Executive - People

Bob Fryer

Bob joined EnergyAustralia as Executive – People, covering HR and Health Safety, Secuity and Environment. A senior human resources generalist with global strategic and operational experience across HR, safety and corporate affairs disciplines, Bob brings with him a wealth of expertise in employee relations, leadership development, safety management, change leadership and talent management.  

In his previous role as Chief Human Resources and Corporate Affairs at Downer Group, Bob provided overall strategic leadership for the HR, Zero Harm (Health, Safety and Environment) and Corporate Affairs functions that supported approximately 22,000 employees.  Prior to this, Bob held a range of senior global HR, corporate affairs and commercial positions at Shell during his tenure of more than 30 years.


David Ackland

David Ackland

David Ackland joined EnergyAustralia in 2014.  For most his time until his appointment to lead Customer Experience from January 2017, David was Head of Customer Experience Operations.

Among the highlights of his time at EnergyAustralia David cites the opportunity to confront some systemic issues head on which has led to improvements in complaint levels and how we support customers experiencing financial hardship.

Prior to joining EnergyAustralia, David spent 20 years in the telecommunications sector with businesses including Connect.com, AAPT and Telstra.


Andrew Perry

Andrew Perry

Andrew Perry joined EnergyAustralia as Executive Manager Retail Finance in August 2013 and in this role has had responsibility for financial stewardship of the EnergyAustralia’s Retail business.  

From March 2015 Andrew served as EnergyAustralia’s Chief Financial Officer during a period of transformation for the business that includes the introduction of a new operating model.  In July 2016 Andrew took on leadership of EnergyAustralia's NextGen business.

Prior to joining EnergyAustralia, Andrew held executive roles with Telstra between 2000 and 2011.


Chris Ryan

Chris Ryan

Chris Ryan joined EnergyAustralia in January 2015 as General Counsel and Company Secretary. Chris is a member of the Executive Management team at EnergyAustralia, and is accountable for the Legal & Governance division, which comprises around 30 professionals in the legal, company secretariat and regulatory compliance teams. Previously, Chris was General Counsel for the Shell Australia group of companies in Melbourne. He held a range of legal, managerial and director positions with the Royal Dutch Shell Group in Melbourne, Perth, London, The Hague and Singapore over a 20 year career with Shell. 

Chris is a graduate in Law (Hons) and Commerce from the University of Melbourne, has a Graduate Diploma in Applied Corporate Governance and is a graduate of the Australian Institute of Company Directors’ course.  He began his career in Melbourne with national law firm Blake Dawson Waldron (now Ashurst Australia).


Anne Weatherston

Anne Weatherston

Anne Weatherston joined EnergyAustralia in January 2015 as Chief Information Officer. 

Anne is an experienced transformation CIO specialising in the turnaround of failing technology functions and the definition and execution of large scale complex strategic business and IT change. Prior to EnergyAustralia Anne was the CIO of ANZ bank where she was recruited to transform the global technology function while designing and executing the technology required to deliver the super-regional bank. Previous to ANZ Anne has held a number of senior Technology and Change roles in major organisations including; CIO of Bank of Ireland, Director of IT and Integration Santander UK, Director of Integration Gaz de France. 


Andrew Fisher


Andrew Fisher

Andrew Fisher joined the TXU business in 2002 from PricewaterhouseCoopers. As part of the Finance team, he had direct involvement in the transactions that saw ownership of the business move from TXU to Singapore Power and then to CLP.  Under CLP ownership further transactions saw the business continue to grow to become EnergyAustralia.

After two years as Head of Tax & Treasury, Andrew served as acting CFO between April 2008 and November 2009.  He also spent five months seconded from Finance in 2014/15 to establish the Corporate team. In July 2015 he was appointed to lead the Commercial team in Corporate and in January 2017 he commenced as Executive - Corporate. 


Alistair McKeown

Alastair McKeown

Alastair McKeown joined EnergyAustralia as Chief Financial Officer on 20 June 2016.
He brings to EnergyAustralia two decades of insight and experience across the energy chain. Prior to joining EnergyAustralia he was Chief Financial Officer of regulated energy utility Victoria Power Networks (CitiPower and Powercor) and before that was a long-serving Finance Director of major business units at Centrica plc, a London-listed supplier of gas and electricity services to customers in the United Kingdom and the United States.



Kim Clarke

Kim Clarke

Chief Customer Officer, Kim Clarke, heads the Customer Promise business unit. Under Kim, the Customer Promise team will have responsibility for ensuring that the entire business is connected to how our customers feel and think about EnergyAustralia, and importantly what they do. Drawing on insight and feedback provided by Customer Experience, the team will lead our product and services program, pricing, campaigns and sales activities.

Kim joined EnergyAustralia in June 2015 and brings with her a wealth of experience from two decades in the information and communications technology sector across Australia and Asia. Prior roles include Chief Marketing Officer at Vodafone Australia, Vice President Marketing at Salesforce.com and Co-founder and Managing Director of Mobile Mentor Australia.