Leadership team

SV has passionate and experienced industry leaders at the helm in sustainable communities, businesses, industry and local government. Our leaders drive a constructive, achievement-oriented culture and set the vision for change toward a sustainable and thriving Victoria.

Carl Muller – Interim CEO

Carl Muller‘I want to make a positive difference and help others to help keep Victoria one of the best places to call home’.

Carl was appointed interim CEO of Sustainability Victoria commencing 27 May 2019. Previously the Director, Corporate Services at SV, he was also interim CEO of SV in 2017.

Carl has led a series of transformational programs in the environment sector, including a regulatory reform initiative whilst at EPA. A qualified oceanographer, Carl worked on the establishment of the Australian Tsunami warning system at the Bureau of Meteorology, our response to the 2004 Indonesian tsunami.


Matt Genever – Director Resource Recovery

Matt Genever

‘I’m all about the on-ground action, making sure Victoria has the recycling and waste infrastructure in place and the statewide coordination it needs to support a healthy environment, economy and community.’

Matt leads the integration of SV’s statewide waste strategies and programs that deliver infrastructure and markets for Victoria’s growing waste and resource recovery industry. Matt has spent more than 15 years working across the waste and resource recovery sector, in government, industry and not-for-profit roles. A recognised leader in the industry, Matt brings knowledge across a broad range of waste and recycling issues, from policy and regulation, through technology, materials efficiency and markets for waste-derived commodities. 


Steven Lynch – Acting Director Business and Built Environment

Steven Lynch‘I love working at Sustainability Victoria. I get excited about the opportunity to help Victorians create a healthy environment, economy and community.’

Steven is acting Director for the Business and Built Environment where he supports the sector to achieve zero net emissions by 2050.

Steven joined Sustainability Victoria in late 2016 and has overseen the refresh of the long-standing ResourceSmart Schools program. Prior to joining Sustainability Victoria Steven spent 15 years working in business across a range of roles including business development and corporate affairs where he was particularly focussed on demonstrating the business case for sustainability.

In 2012 Steven was recognised for his contributions to co-operative enterprise with the Future Leaders Award (Youth) as part of Australia's celebrations of the International Year of the Co-Operative.

Steven has significant leadership and senior management experience and has a proven track record of working with diverse stakeholders to achieve community, environmental and business outcomes.


Stephanie Ziersch – Director Communities and Climate Change

Stephanie Ziersch‘I believe that taking action on climate change can bring about enormous benefits for Victorians including improved quality of life, greater community connectivity, economic development and job creation opportunities, a cleaner environment and better health.’

Stephanie leads the Communities and Climate Change programme which involves inspiring and educating communities, schools, local government and households on taking action on climate change. She has extensive public sector experience at an international, national and state level. Her strong record in climate change policy development and program delivery includes Australia’s first climate change legislation, an innovative approach to adaptation and built form demonstration projects.


Katie Pahlow – Director Communications and Engagement

Katie Pahlow

‘I want to support Victorians with the inspiration, understanding and tools to achieve their goal of taking meaningful action on climate change.’

Katie leads communication and engagement to put climate change among the top issues for Victorians and promote SV as the first place to go to take action on sustainability. She has expertise in behaviour change campaigns, science communication and education, integrated marketing, brand building and customer focus, with a strong track record of reform and achievement. Under her leadership Zoos Victoria initiated their highly regarded behaviour change and advocacy campaigns, including the Banksia Award winning ‘Don’t Palm Us Off’ campaign.


Toni Toaldo – Acting Director, Corporate Services

Photograph of Toni Toaldo

"My aim is to create a high performing business that delivers sustainable, innovative, performance and growth with a culture that is vibrant, diverse and inclusive."

Toni is acting Director for Corporate Services where she supports the organisation to deliver sustainable solutions for the Victorian community.

Toni joined Sustainability Victoria in late 2013 and has overseen the People and Culture function as the Head of People & Culture. 

Toni is a HR professional with over 19 years' experience in both the private and public sector. She specialises in building strong people and culture practices within the Victorian Public Service. 

Toni has successfully led the transformational change in Culture and Leadership, and is passionate about helping organisations and individuals build their capability to perform at their best. 

Toni has a particular interest in the development of future leaders and the application of positive change methodologies to drive sustainable change and engagement.