Chief Executive Officer

EPA’s Chief Executive Officer (CEO) is Lee Miezis. Reporting to the Governing Board, Lee leads EPA and is responsible for its day-to-day management and operational performance. In association with the Board, Lee also sets the organisation’s strategic direction.

Lee was appointed to the role of CEO in May 2021 following three months as interim CEO. Before joining EPA, Lee was the inaugural CEO of Bushfire Recovery Victoria. Before that, he spent 15 years with the Department of Environment, Land, Water and Planning, most recently as the Deputy Secretary of the Forest, Fire and Regions Group. Lee holds a Bachelor of Forest Science and a Master of Business Administration and is a Victorian Fellow of the Institute of Public Administration Australia.

Strategy Division

Suzy Neilan is Executive Director of the Strategy Division. Suzy joined EPA in July 2021. Suzy was previously Executive Director, Service Delivery with the Victorian Building Authority. Before that, she led the operationalisation of the Plumbing Regulations 2018 and Professional Engineers Registration Act 2019 and worked with DELWP on various amendments to the Building Act 2018 such as Trades Registration (deferred until 2022) and the Building Amendment (Cladding Rectification) Act 2019.

The Strategy Division defines and drives the regulatory direction, strategic priorities, and capability of  EPA, and leads the organisation through changes in the regulatory and policy landscape. It also provides advice and puts in place regulatory instruments and guidance material to support business, community and government to comply with environmental laws.

Core functions: Aboriginal strategy and partnerships; policy, regulation and strategy; data analytics; intelligence; permissioning (licences, permits and registrations); major projects facilitation; planning referrals; industry guidance; regulatory standards; regulatory capability; Authorised Officer appointments; accredited consignor appointments; and business improvement.

Several branches and units manage the division’s work: Policy and Regulation Branch, Data Analytics and Intelligence Unit, Regulatory Enablement Branch, Permissioning and Development Branch, Development Advisory Unit, and Business Improvement Branch.

Operations Division

Mark Rossiter is Executive Director of the Operations Division. Mark has been with EPA since late 2019. Before joining EPA, Mark was Executive Director Operations and Chief Corporate Officer at the Victorian Building Authority, Manager Stakeholder Strategy and Manager Air Navigation Service Strategy at Airservices Australia, Head of Safety at Jetstar Airways, Manager Safety Oversight at the Civil Aviation Safety Authority, and Human Factors Specialist at Qantas.

The Operations Division leads EPA’s frontline regulatory response to detect, prevent and investigate harm to the environment and human health from pollution and waste.  The division does this by engagement and education; inspections and monitoring; surveillance and investigations; and enforcing duty holders to comply with the law.

Core functions: compliance and enforcement; education and engagement; investigations; high risk site clean-up; compliance programs; field specialists; waste transport; infringement management; financial assurance and levies; preventative programs; and incident coordination.

Several branches manage the division’s work: Metropolitan Melbourne Area Branch; Regional Victoria Area Branch; Regulatory Programs Branch, Environmental Crime Branch and Regulatory Services Branch.

Science Division

Professor Mark Patrick Taylor is Victoria's Chief Environmental Scientist, and leads our Science Division. Professor Taylor joined EPA in 2021. Before joining EPA, Mark was  Professor of Environmental Science and Human Health, specialising in environmental contamination at Macquarie University.

His achievements include his advocacy regarding the lowering of the National Health and Medical Research Council’s national blood lead intervention level and his support of thousands of Australians in understanding and addressing trace metal exposure risks in their homes and gardens via his citizen science programs.

The Science Division is a critical enabler of regulatory excellence at EPA, delivering innovative and targeted scientific advice to support strategy and policy development, and strategic and operational decision making about how EPA prevents and regulates environmental and human health harm.

Core functions: scientific advice and recommendations; air and water quality monitoring; citizen science; science partnerships; and contaminated land notifications.

The division comprises Environmental Sciences Branch and Environmental Public Health Branch.

Corporate Services Division

Samantha (Sam) Ludolf is Executive Director of the Corporate Services Division.  Sam joined EPA in December 2020. She was previously Deputy Chief Executive Officer — Strategy and Operations at Walter and Eliza Hall Institute of Medical Research; Executive Officer, Ambulance, Emergency and Trauma, Department of Health, Victoria; Executive Officer, Victorian Civil and Administrative Tribunal, Department of Justice and Regulation; Acting Chief Executive Officer, Supreme Court of Victoria; Deputy Chief Executive Officer, Supreme Court of Victoria.

The Corporate Services Division defines and drives the corporate, people, finance and information technology priorities for EPA, and importantly plays a key role in enabling high performance in the delivery of regulatory functions. The division partners across the organisation to understand and meet operational requirements, supporting and enabling EPA’s people to be at their best in preventing harm to Victorian communities and the environment from pollution and waste.

Core functions: health, safety and wellbeing; recruitment and talent management; employee relations; payroll; culture, diversity and inclusion programs; finance and budget; procurement and contact management; enterprise strategy, planning and performance reporting; enterprise risk; facilities and fleet; IT strategy and support; data security; and Governing Board Secretariat.

Several branches and units manage the division’s work: Business Strategy and Operations Branch; People and Culture Branch; Information Technology Branch; and the Board Secretariat Unit.

Quality Branch

Matt D'Abbs is our Chief Quality Officer. Matt joined EPA in 2018 as Director Regulatory Approach and Capability. Before this, he worked at Transport Safety Victoria as Director Strategy, Policy and Corporate Services and General Counsel, Director Policy and Legal and previously as Senior Policy and Legal Adviser for the Department of Transport. Before entering the public service, he spent 15 years in offshore commercial fishing and maritime tourism.

The Quality Branch is responsible for driving and enabling the quality of regulatory and enterprise decision making and operations through an independent quality and assurance function that works across the EPA.

Core functions: regulatory assurance; regulatory review; the environmental audit program; internal and external audit; and integrity.

Legal Branch

The Legal Branch is headed by General Counsel Greg Elms. Greg started in the role of General Counsel at EPA in 2019. Before joining EPA, Greg spent 16 years at Victoria Police in general duties, criminal investigations, as a prosecutor and discipline adviser. Following that, he worked for eight years at the Victorian Government Solicitor’s Office providing specialist advice and advocacy to a broad range of government regulatory clients both directly and as a team leader. He then returned to Victoria Police for two years in the role of Principal Legal Adviser.

The Legal Branch is EPA’s legal centre of expertise, responsible for defining and overseeing legal policies and processes, providing legal advice and support on regulation and enforcement matters, and for managing EPA’s legal obligations, including privacy and freedom of information.

Core functions: legal support and advice; prosecutions; judicial review and VCAT applications; freedom of information and privacy.

Public Affairs Branch

Cathy Heycock is the Director of the Public Affairs Branch. Cathy joined the EPA in 2021. Before joining EPA, Cathy headed strategic communications at the Department of Environment, Land, Water and Planning. Cathy also brings a wealth of experience in the environment and health portfolios, with vast experience leading strategic communications and major campaigns.

The Public Affairs Branch is responsible for ensuring that effective communications, engagement with communities, government and industry are a critical component of EPA’s regulatory approach. The branch promotes understanding and compliance with the environment protection laws and increases awareness of the role of EPA as Victoria’s environmental regulator.

Core functions: briefing and correspondence coordination; media; strategic communications; engagement strategy and support; communication channels including the customer contact centre.

Find out more about our governance

EPA’s operating model

CEO and Governing Board

Our Chief Environmental Scientist

Our strategy

Annual reports and plans

Our scientific expertise

Our Minister


Gift, benefits and hospitality

Reviewed 5 November 2021