Executive team

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Terri Benson
BBus (Act), CPA, GAICD

Managing Director

Terri was appointed Managing Director of South East Water on 29 May, 2017. A highly experienced Chief Executive Officer, she has held a range of both executive and non-executive director roles in the government utility and private infrastructure sectors. She is a former CEO of SEQWater, a water wholesale utility in south-east Queensland, a former Managing Director of Essential Energy and also a former Chair of the Energy and Water Ombudsman NSW. Prior to joining South East Water, Terri was the Managing Director of Birdon, a diversified engineering and services business providing innovative solutions to the military and marine industries with operations across Australia, USA and Europe.


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Phil Johnson
BBus (Acc), CPA, GAICD

General Manager Corporate and Commercial, and Chief Financial Officer

Phil is the Chief Financial Officer and leads the Corporate and Commercial group, which encompasses commercial services, business technology services, major projects, and business improvement. He is also a director of iota Services, a wholly-owned subsidiary of South East Water. Previously, Phil was Group Manager, Commercial and Technical Services for Utility Services, an alliance formed between South East Water, Thiess and Siemens to deliver the corporation’s operations, maintenance and capital works program. He was also a member of the alliance governance board. Prior roles include other senior commercial positions within the utilities industry. Phil joined South East Water in 1995.


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Charlie Littlefair
BEng (Civil), FIEAust, CPEng, EngExec, NER APEC Engineer, IntPE(NZ), MIPENZ

General Manager Asset Creation

Charlie leads the Asset Creation group, which manages the design and construction of South East Water built infrastructure assets, developer works and customer connection of new developer built assets. He also manages the handover of assets to Network Services. Previously he was General Manager, Asset Investment for Metrowater in Auckland. Charlie has more than 30 years of international experience in the water and sewerage industry, having worked for both private and public water utility organisations in New Zealand, Australia and the United Kingdom. Charlie joined South East Water in 2008.



Mark McCormack
BEng (Civil), EWS, GAICD

General Manager Network Services

​Mark leads the Network Services group, which oversees the operation and maintenance of South East Water’s water and sewerage network, treatment plants and 24 hour emergency call centre. Previously he was the acting General Manager of the ‘us’- Utility Services alliance and a member of the alliance board, which delivered the corporation’s capital works and maintenance programs. He has more than 30 years of experience in the water industry working in roles encompassing design, construction, development, operations and maintenance. He commenced his career with the State Rivers and Water Supply Commission. Mark joined South East Water in 1995.


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Claire Miller

General Counsel and Corporate Secretary

Claire was appointed General Counsel and Corporate Secretary at South East Water in 2017. Claire leads the Governance and Legal group which is responsible for the legal, compliance and corporate secretarial functions. Claire has extensive executive experience and has held the role of General Counsel and Company Secretary including the functions of compliance, risk, audit and insurance across a diverse range of industry sectors including energy, infrastructure, gas, utilities, mining, and property in government, listed and private entities.


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Sharon Robinson
BBus (Marketing and Management), GAICD

General Manager People and Safety

​Sharon leads the People and Safety group, which is responsible for overseeing South East Water’s key people functions of human resources, payroll, internal communications, safety and wellbeing. She brings a wealth of experience in the human resource field, gained across various industries including financial services, natural resource management, hospitality, consulting and engineering. She has held senior roles at Crown Melbourne Ltd, National Australia Bank and Arup Group. Sharon joined South East Water in 2012.

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Daniel Sullivan

General Manager iota Services

​Daniel was appointed General Manager iota Services, South East Water’s commercial arm, in August 2017. He has 20 years’ experience in senior management across a variety of sectors, holding senior roles in technology and consulting organisations. Daniel also has 12 years of international experience working with Austrade as a diplomatically-posted senior trade official. He has worked out of Australian embassies in Washington, D.C and Latin America where he developed a sectoral focus on water resource management.