Board and CEO

The IMO Board is the governing body, with authority to perform the functions, determine policies and control the affairs of the IMO. The Board is appointed by the Minister for Energy and operates in accordance with the Electricity Industry (Independent Market Operator) Regulations 2004.

The Board meets monthly and works closely with the CEO to implement its decisions and strategies.


  • Board of Directors


    Peter Kolf
    Deputy Chair

    Shaun Dennison

    Roland Sleeman
    • CEO

      Kylie O'Keeffe
Peter Kolf (Chair)

Peter KolfPeter Kolf has extensive experience in the oil and gas industry, the utility industry and in economic regulation.  His professional career commenced with the Gas and Fuel Corporation of Victoria which led to energy (electricity, oil and gas) related management and senior management roles at both State and Commonwealth levels of government.  In addition, Peter has held senior positions in telecommunications, the regulation of national air fares and in the water industry covering areas including market management, pricing and corporate planning.

In 1998, Peter took on the role of Executive Director of Western Australia’s Office of Gas Access Regulation which led to his appointment as General Manager and subsequently Chief Executive Officer of the State’s Economic Regulation Authority.  He is currently Director, KPK Specialist Advisory Services Pty Ltd.

Peter holds a Bachelor of Commerce (Hons.) and a Master of Economics.  He is a Certified Practicing Accountant and a Fellow of the Australian Institute of Energy.

Peter was appointed Director of the IMO in July 2014.  His current term as Director at the IMO expires on 30 June 2017.

Shaun Dennison (Deputy Chair)

Shaun Dennison was appointed Director of the IMO in April 2006. He has eighteen years experience in energy and water sector reform and market development, the design and application of economic regulation, and retail pricing in the competitive market.

Shaun spent the early part of his career in corporate advisory roles with ANZ McCaughan and KPMG Corporate Finance in Melbourne. At KPMG he was responsible for the management of the Victorian electricity supply industry reform and privatisation work undertaken by KPMG. This marked his introduction to the electricity industry.

Later he worked in a project management capacity within the Energy Projects Division of Victorian Treasury. Between 1996 and 1999 Shaun coordinated projects associated with the implementation of the gas industry reform and privatisation program.

In 1999, he co-founded Farrier Swier Consulting, an advisory service that consults on policy development, energy and water sector restructuring and reform, regulation, governance and accountability.

Shaun is also a specialist in Australian Aboriginal art with a focus on sales in the auction market. He worked for the international auction house Christies during 2004 to 2006, and is currently a specialist representative for Mossgreen Auction House.

Shaun has a Bachelor of Commerce and is a Graduate Member of the Australian Institute of Company Directors.

His current term as Director at the IMO expires on 11 December 2014.*

* Shaun continues to serve as Director despite the expiration of his current term (clause 1(2), Schedule 1 of the Electricity Industry (Independent Market Operator) Regulations 2004).

Roland Sleeman (Director)

SLEEMAN, Roland - high resRoland Sleeman has over 34 years’ experience in the oil and gas, utilities and infrastructure sectors, advising government and businesses involved in the oil, gas and utilities sectors across Australia. He has also held a number of senior executive positions across these sectors.  

Roland has a Bachelor of Engineering (Mechanical), a Master of Business Administration and is a Member of the Australian Institute of Company Directors.

His current term as Director at the IMO expires on 30 May 2016.

Kylie O'Keeffe (Chief Executive Officer)
Kylie O'Keefe

Kylie joined the IMO in July 2012 to lead its legal, risk and compliance functions and was appointed Chief Executive Officer in November 2015. 

Kylie previously worked as a lawyer in private practice for over 15 years, specialising in banking and financial services law, and then in energy and resources law and regulatory matters, which led to her interest in Western Australia’s electricity market. 

Kylie holds a Diploma in Law (LPAB – LEC USyd), a Graduate Certificate in Legal Practice (UTS) and a Masters of Law and Management (UNSW). She is admitted to practise in Western Australia, New South Wales, Victoria and the High Court of Australia.

Outside work, Kylie enjoys reading, writing and spending time with family and friends.