The Victorian Environmental Water Holder has three part-time Commissioners appointed by Governor in Council, on recommendation of the Minister for Water.
The Commissioners are supported by a small, dedicated team, led by Chief Executive Officer, Dr Sarina Loo.
Charmaine Quick (Chairperson)
Charmaine is an experienced water industry executive with more than 35 years’ experience in waterway and water resource management, service delivery, asset management and organisational transformation. She has a Bachelor of Engineering and a Master of Environmental Science and is a graduate of the Australian Institute of Company Directors.
Charmaine was Managing Director of Goulburn-Murray Water from 2019 to 2026, where she led Australia’s largest rural water corporation and oversaw the management of major water storages, irrigation and drainage networks, water efficiency initiatives and the delivery of environmental water in partnership with catchment management authorities. She previously held senior executive roles during a 28-year career with Melbourne Water, including responsibility for the delivery of water, sewerage, waterways and drainage services across Melbourne.
Charmaine brings extensive experience in leadership, strategy, corporate governance and the management of complex water systems. Raised on a family farm in western Victoria, she has a strong understanding of the importance of healthy rivers, wetlands and floodplains to communities, agriculture and the environment.
Dr Rohan Henry (Deputy Chairperson)
Rohan is an experienced strategic adviser working across state and national water policy with previous experience working in environmental impact assessments and approvals.
He’s a skilled Indigenous engagement and facilitation practitioner with significant experience collaborating and partnering with Aboriginal Corporations and their communities.
Rohan is currently a Director (Deputy Chair) of South East Water Corporation, a Director of One-Basin Cooperative Research Centre and was previously a Director of the Self-Determination Fund Limited (Trustee of the Self-Determination Fund). He also holds positions as Chair of the Commonwealth Government’s Indigenous Advisory Committee Division, Councillor of the Australian Institute of Company Directors (Victorian Division) and an independent member of the Victorian Murray Floodplain Restoration Project Control Group.
Rohan continues to practice as an independent consultant working nationally across water policy and development projects, Traditional Owner facilitation and outcome negotiations.
Tim Chatfield (Commissioner)
Tim has led many organisations in making sustainable change for Indigenous communities across housing, health, culture and wellbeing, and in economic development through generating employment and building workforce skills, knowledge and training. He is a Gunditjmara Traditional Owner and a Djabwurrung Elder Traditional Owner.
Tim has extensive experience as an executive and nonexecutive director and chairperson. His experience embraces leadership, strategy, corporate governance, business management, developing culturally appropriate policies and processes towards self-determination, and advice to Victorian and Commonwealth governments.
Between 2017 and 2023, Tim was an Independent Director to First Super Pty Ltd and Chair of the Board’s Audit and Finance Committee. For the past 20 years he has been Chairperson of Aboriginal Housing Victoria, the only Aboriginal housing organisation in Australia accredited as a housing association, and he is founder and CEO of Budja Budja Aboriginal Cooperative, an innovative primary health care service, GP and community health clinic in the Gariwerd/Grampians National Park. He is also Chairperson and CEO of Martang Pty Ltd, a community-based company and farming operation.
Dr Sarina Loo (Chief Executive Officer)
Dr Sarina Loo is the Chief Executive Officer of the Victorian Environmental Water Holder.
She joined the VEWH in 2017 and is passionate about improving waterway and catchment health. Previously, she was a senior public servant at the Department of Environment, Land, Water and Planning in Victoria for over 10 years. Her areas of expertise include environmental water management, policy and strategy development, investment, monitoring, evaluation, reporting and governance in the areas of waterway health and catchment management.
Sarina has been a lecturer of sustainability at Swinburne University of Technology and an independent consultant to government and private business. She is an ardent contributor to the work of the Peter Cullen Trust, having been a graduate of the Leadership Program, a Board Director, and having established and Chaired the National Fellows Network and established the Women in Water Leadership Program.
Sarina has a Bachelor of Arts, a Bachelor of Science (Honours), a Doctor of Philosophy in freshwater ecology and is a graduate of the Australian Institute of Company Directors.
Page last updated: 05/10/26