Tim Gibson

Chief Executive

A qualified engineer, with over 30 years' experience in the construction and infrastructure maintenance industries, Tim is based in Auckland and manages 600+ staff.

Tim joined Citycare in 2007 as General Manager - Northern Region and has also held the roles of Executive General Manager National Maintenance and Executive General Manager Citycare Water.

His strong leadership skills, strategic planning expertise and flair for operational and commercial management have led to consistent success in the delivery of Three Waters maintenance. Tim’s team now owns over 60% of the Local Authority nationwide contract base for wastewater, stormwater and drinking water assets.

His leadership philosophy as Chief Executive of Citycare Water is developing diverse talent, fostering collaboration in service delivery and advocating for sustainable Three Waters solutions.  

Tim is actively involved in shaping current water reforms as a Board Member of Water New Zealand and as a member of a Department of Internal Affairs Technical Steering Group on Water. He believes strong leadership and industry knowledge will ensure informed decision making and workable outcomes which deliver the intent of the structural changes for our communities.

Tim holds a Master of Business Administration and is a member of the Institute of Directors. He is also Chair of the Stakeholder Group for Water for infrastructure ITO Connexis and Chair of Apex Water Limited, a Citycare subsidiary focused on the design and build of bespoke water and wastewater treatment plants.

Clark Butcher

Head of Operations 

Clark is a people leader focused on delivering the core of what we do as a business in achieving ‘Safe Water for Life’ for the towns, cities, and communities we work for.  

Clark joined Citycare Water in 2021 as Head of Operations bringing broad engineering experience having worked within Construction, Consultancy and Principal roles for over 15 years. He is Christchurch based and leads over 550 of the Citycare Water staff.  

Focused on operational excellence, he brings his large-scale construction as well as maintenance experience to drive high quality outcomes for our customers. Taking ownership of delivery of Citycare Water’s maintenance of 20,000km of piping networks which feed 25% of properties across the county, he leads his team to strive for innovation and proactively looking for opportunities to grow and improve. 

Clark has a Graduate Diploma in Emergency Management alongside his New Zealand Diploma in Engineering (Civil) which provide skills to be very calculating in his decisions and methodical in problem solving. 

Heidi Walkley 

Head of Commercial and Risk  

Heidi joined Citycare Water in late 2018 and is responsible for the legal, environmental and risk portfolios. Based in Auckland, Heidi has a strong commercial background having led large-scale contract management activities in previous roles. 

Heidi qualified with a Bachelor of Law and Bachelor of Arts and was a practicing Solicitor early in her career. With a foundation in law, Heidi moved into Local Government management positions, leading teams for 15+ years.  

Heidi has a passion for sustainable initiatives, supporting clients to deliver on better community outcomes while ensuring that risk is minimised. She strives to enhance risk management practices and sees this as a key business enabler. As a problem solver with an eye for detail, Heidi is excited about the future of Citycare Water and is a proud member of the Executive Team.  

Mary Fergusson 

Head of People and Capability

Mary has recently joined Citycare as Head of People & Capability responsible for leading the HR function which includes talent sourcing and management, reward and recognition, organisational development as well as championing diversity and inclusivity initiatives.

As a senior HR professional, Mary’s career spans a range of sectors from media and insurance to cold chain supply, leading HR and people initiatives designed to help deliver strategy, improve performance and enhance employee experience.

Mary brings a pragmatic and purposeful approach with a focus on bringing out the best in people and delivering positive business outcomes. Experienced in driving transformation, Mary is passionate about enabling our people to flourish and focusing on the things that will make the biggest impact for our people, customers and business.

Mary has a Bachelor of Arts in modern languages from the University of Auckland and holds a post graduate Diploma in Personnel Management from the University of Westminster (UK).

Kevin Leith  

Head of Strategy & Growth 

Kevin is a senior executive with 15 years of general management experience leading diverse teams (up to 300 FTE) and portfolios in multiple business sectors including Banking, Insurance, Transport & Local Government. 

He joined Citycare Water in 2021 as Head of Strategy & Growth and has a background in marketing, strategy, digital and technology. Kevin has strong innovation experience with a track record of delivering new product & services experiences. He is focused on building a brand which is focused on customer centricity.   

Kevin has extensive leadership, governance & regulatory experience across different business sectors. 

He has an MCom and BCom (Hons) in Commerce from the University of Otago. 

Ivan Iafeta 

Corporate Affairs Manager 

An influential and widely respected leader with more than 25 years’ experience in senior executive and management roles.  Ivan has led large teams at ChristchurchNZ, Regenerate Christchurch, Canterbury Earthquake Recovery Authority (CERA), and the Ministry of Social Development. 

Ivan joined Citycare Water in 2021 as Corporate Affairs Manager to support the development and implementation of an effective strategy to position the business for success throughout the design, transition and implementation of central government’s national Three Waters Reform Programme. 

Ivan’s extensive networks augment Citycare Water’s strategic relationships and key stakeholder engagement with central government, local and regional authorities, iwi/Māori, and three waters sector representatives to further build the Citycare Water brand to be recognised as the provider and partner of choice for Three Waters maintenance services. 

Sam Allen 

Head of Health and Safety 

Sam is a dedicated leader, committed to ensuring Citycare Water achieves positive service delivery and risk management outcomes, while protecting people and our environment, and ensuring a positive customer experience. Sam joined Citycare Water as Sector Health and Safety Manager in 2018.

As well as his day job, Sam is a board member of the National Utility Locating Contractors Association (Nulca NZ) and Chair of the Nulca Skills and Growth Working Group.   

Sam has 24 years’ experience consisting of various construction roles, service as a professional Firefighter with Fire and Emergency NZ and an Investigations Inspector with WorkSafe, and senior roles with civil and infrastructure companies in Health and Safety leadership.  

Sam has a passion for strategy, frontline leadership coaching, and training, and he maintains a broad technical skillset in operational safety. Sam holds a NEBOSH International General Certificate in Occupational Health and Safety Management – achieved with Distinction, qualifications in fire and rescue operations, and he was a warranted Health and Safety Inspector under the HSE Act 1992 and HSWA 2015 while with WorkSafe.