The Executive Leadership Team, headed by the Chief Executive Officer, leads the daily operation of Unitywater and is directed by The Board.

The team is firmly focused on improving customer service, achieving operational efficiencies and providing high quality, affordable and sustainable sewerage services and water supply for our community.

George Theo

Chief Executive Officer

George was appointed to the role of Chief Executive Officer in May 2012. Prior to that he was Unitywater’s Chief Operating Officer.

George has more than 30 years’ experience and a wealth of knowledge of the water industry, the majority of which has been operating at executive level of management. George has held roles with global consulting company GHD and water utilities Brisbane Water in Queensland and City West Water in Victoria. 

George has a proven track record in driving sustainable organisational change by challenging the status quo and building successful leadership teams.

George has a Master’s in Business Administration, a Bachelor of Engineering (Civil) degree and an Associated Diploma in (Municipal Engineering). George is also a Fellow of the Institute of Engineers Australia and a Fellow of the Australian Institute of Company Directors.

Pauline Thomson

Chief Financial Officer

Pauline Thomson was appointed Chief Financial Officer in January 2011 and is responsible for Unitywater’s finance, procurement and IT functions as well and Strategy, Regulation, Pricing and Business Development. Pauline is an experienced executive bringing more than 25 years of accounting, finance and regulatory experience from retail and distribution businesses across the energy and water sectors.

Pauline previously held executive and senior manager roles at Energex and Powerlink. Pauline is a Certified Practising Accountant and is a Member of the Australian Institute of Company Directors.

Rhett Duncan

Executive Manager - Customer Delivery

Rhett has more than 15 years’ leadership experience at executive and general management levels. He is responsible for Unitywater’s safe and efficient operation of the water supply and sewerage systems to provide reliable services to customers.

Rhett has previously worked in Waste Management, Transport Infrastructure and Construction Materials and led teams in challenging and changing business environments.


Katherine Gee

Executive Manager - Customer and Community

Throughout her extensive experience in both the private and public sector, Katherine has gained deep insight into the needs of customers and the community.

Her roles in telecommunications, local government and the water industry have included implementing major customer management systems, transforming customer experience and delivering organisational change.

Kenan Hibberd

Executive Manager - People, Culture and Safety

Kenan was appointed in July 2012. Kenan has 30 years of experience in human resources and safety leadership in both the public and private sectors and has held senior management positions in national and international organisations in the industrial services, engineering, logistics and health sectors.  

Kenan is a Fellow of the Australian Human Resources Institute.                                                 

Ivan Beirne

Acting Executive Manager -Sustainable Infrastructure Solutions

Ivan Beirne joined Unitywater in 2015 and has more than 20 years’ experience in asset-intensive industries across the public and private sectors.

He leads our strategic planning, asset management, capital delivery and water solutions functions.

Prior to his current role as Acting Executive Manager of Sustainable Infrastructure Solutions, Ivan was Head of Asset Management.

Ivan started in manufacturing before moving into consulting in the mining and energy industries before joining the water sector. Throughout his career, Ivan has led major asset management transformation programs across a number of industries locally and internationally.

Ivan is a chartered engineer and holds a Bachelor in Mechanical Engineering, a Masters in Technology Management and post graduation qualifications in asset management.