Executive team

Roch Cheroux - Managing Director 

Roch Cheroux 2019Roch is a key influencer in the water industry, with experience shaping and leading public and private corporations across Asia-Pacific region and Europe.

Roch commenced with Sydney Water as the Managing Director on 2 September 2019.

In Roch’s past role as Chief Executive of SA Water, he led the transformation of South Australia’s largest water utility to embed technology, culture and systems changes to deliver improved experience for the corporation’s 1.6 million customers.

Before joining SA Water, Roch was Chief Executive Officer of SUEZ for the South East Asia region and SUEZ-Degrémont Australia and New Zealand, Managing Director of United Utilities Asia and Pacific (TRILITY), and Chief Executive and Chairman of Tallinn Water in Estonia.

Roch is active across the industry and is currently director of the Water Services Association of Australia, and member of the Commonwealth Government’s Australian Water Partnership Advisory Committee.

A dual French and Australian citizen, Roch holds formal qualifications in Engineering and Business Management, and seeks to champion innovation and workplace diversity in the organisations he leads. 

Jamie Hollamby - General Manager, Finance and Business Performance

Jamie Hollamby joined Sydney Water as General Manager, Finance and Business Performance in July 2020. Before joining Sydney Water, Jamie was the General Manager, Business Services at SA Water since 2013.

In this role, Jamie led the team delivering support services across the business including financial, procurement, pricing, information technology, engineering, research, water, used water and environmental services.

With experience in Australia, the USA and the UK, Jamie has worked as a Chartered Accountant specialising in finance, governance, project management and risk management. He has also previously worked with BAE Systems, Santos, KPMG and the Australian Taxation Office.

Paul Plowman - General Manager, Asset Lifecycle
BE (Civil), MBA

Paul Plowman 2019 Photo

Before joining Sydney Water, Paul held the position of General Manager Program and Portfolio Management at Northern Territory's Power and Water Corporation.

From 2011 to 2013, he held several senior management and major project roles with Melbourne Water.

Paul has more than 18 years experience in the water industry with particular focus on the development and delivery of investment programs. He has successfully led large, complex infrastructure projects that have involved significant interaction with the community and stakeholders.

Paul has a Bachelor of Engineering (Civil) from Victoria University of Technology, a Master of Business Administration from AGSM and has completed executive education at INSEAD (France) with a focus on strategic partnering.

Denisha Anbu - General Manager, Governance and Assurance

Denisha AnbuDenisha leads diverse teams of professionals across Water Quality, Wastewater and Environment, Management Systems, Protective Security, Resilience and Climate Change Adaptation, Legal, Claims and Corporate Secretariat, Risk and Compliance, and Internal Audit. Denisha is also Sydney Water’s Corporate Secretary.

Denisha is a practicing lawyer and governance professional with over 20 years' professional experience in all areas of commercial law and corporate governance. This includes experience as a lawyer gained at King & Wood Mallesons, Telstra Corporation, University of Sydney and Sydney Water. Before Denisha’s General Manager role, she was the General Counsel and Corporate Secretary for Sydney Water for over four years.

Denisha has a Bachelor of Arts and Bachelor of Laws (First class Honours) from the University of Queensland and a Masters of Laws from the University of Melbourne. Denisha is also a graduate of the Australian Institute of Company Directors (GAICD) and a fellow of the Governance Institute of Australia (FGIA). 

Denisha is currently acting as the General Manager, People & Culture for an interim period. During this time, Kevin Conna is acting as General Manager, Governance and Assurance.

Dominic Hatfield - General Manager, Digital 

Dominic Dominic has a successful track record of building high performing cross-functional teams to deliver strategic transformation across high profile work programs and large complex portfolios. He also has extensive experience in developing technology strategies that have led to strong revenue growth, best practice customer experience, and effective cost management.

He has five years experience at one of Australia’s largest media companies News Corp, most recently leading the technology strategy as Chief Information Officer where he achieved substantial cost savings for the organisation and led an enterprise wide transition to home-based work during the COVID-19 pandemic.

Prior to his work at News Corp, Dominic spent over a decade with one of Australia’s largest retailers, David Jones, including the role of General Manager of IT. Dominic graduated with a Bachelor of Science Degree in Computer Science from University of New South Wales.



Maryanne Graham - General Manager, Customer, Strategy and Engagement
BComms, Journalism and Public Affairs

Maryanne GrahamMaryanne has been providing strategic and operational leadership to both private and public sector organisations for more than 20 years. Her experience includes strategy development, government and stakeholder relations, marketing, customer experience and corporate affairs delivery for some of Australia’s most high-profile organisations and infrastructure projects including her most recent role as Executive General Manager Corporate Affairs for the $5.3 billion Western Sydney International Airport. She has extensive experience working across the infrastructure industry and large state-owned corporations and agencies including Transport for NSW and Sydney Motorway Corporation (WestConnex).

As a senior executive on large, highly-diverse ASX-listed companies, including Downer Group and Transfield Services, she led the corporate affairs, investor relations, government relations and stakeholder engagement portfolios, with operations spanning more than 43 countries and including the oil and gas, utilities, mining and resources, transport, property, engineering and defence sectors. She has successfully led a number of large-scale transformation projects and is a passionate advocate for workplace diversity, employee enablement and disruptive technologies.

Maryanne is a Non-executive Director of NSW Kids in Need Foundation, a Member of the Western Sydney University External Relations Committee, a Member of the Australian Institute of Company Directors and is currently completing an Executive Masters of Business Administration.

Bernie Sheridan - General Manager, Customer Delivery
BE (Mech), MBA, MIEAust

Bernie Sheridan 2019 PhotoBernie is responsible for all aspects of our wholesale and retail customer service and response activities. He is also accountable for the safe, reliable and efficient operation and maintenance of Sydney Water’s network and treatment facilities. 

Bernie is passionate about delivering safe, efficient and trusted products and services for our customers, now and into the future.

Bernie’s early career was in the power industry, where he held various operational and leadership roles across the Electricity Commission of NSW and ALSTOM Power Services Australia including Executive General Manager for Engineering Services.

Since joining Sydney Water in 2007, Bernie has focused on improving our services including forming the Maintenance Engineering team to improve process reliability and optimise asset investment spend, and the Product and Asset Management team focused on improving product quality and reliability. From 2013, Bernie has managed all aspects of water and wastewater treatment and more recently Laboratory Services.
Bernie has a Bachelor of Engineering from UTS and a Master of Business Administration from Deakin University.


Kathy Hourigan - General Manager, Customer Services

Kathy Hourigan Kathy is a dedicated customer advocate with a passion for service excellence. With a customer-centric career spanning more than 25 years, Kathy has enjoyed her success in executive Customer Services positions across both the public and private sector including key state and national roles. The diversity of industry she has worked for includes Insurance, Telecommunications and Utilities.

Kathy has established and led multi-site, multi-function and multi-product operations servicing large customer bases with involvement across sales, technical support, complaints, emergency response, collections, metering and large-scale customer billing.

With a deep understanding of what drives a high-performance culture and a leadership style that is humanistic and encouraging, Kathy is passionate about employee development and building high-performing teams.

Kathy has received multiple customer service excellence awards throughout her career. She has led a number of customer experience programs and driven significant business transformation and technology advancements, including Sydney Water’s Customer Experience Platform (CxP) Program – a program of state significance delivering SAP CRM, ISU and REFX. Kathy is a Fellow of the Customer Service Institute of Australia.

Christopher Gould - General Manager, Business Development

Chris GouldWith a wealth of global experience in large-scale business transformations, Chris leads our organisation to deliver world-class innovation and product development, water-related solutions for our development and business customers in support of our city’s growth and development, and our high-profile and complex commercial transactions.

Since joining Sydney Water in 2016, Chris has held a number of senior leadership roles that support Sydney, Wollongong and the Blue Mountain’s growth and help deliver the NSW Government’s vision of three sustainable, productive and liveable cities.

Before joining Sydney Water, Chris was a Director at Booz Allen Hamilton, Booz & Company, and PwC specialising in strategy, business transformations and commercial transactions in asset intensive and government sectors. He has a Bachelor of Law and Bachelor of Commerce.