Reimagining Landscapes

Naturally reconnecting land, biodiversity and people

Pioneers in Landscape Restoration

Cassinia has been a leader in landscape restoration and biodiversity protection since 2004. We deliver projects which restore, reconnect and protect Australia’s natural systems; endeavouring to see all of Australia’s national parks reconnected through biodiversity-based revegetation projects. We also seek to incorporate conservation management into agricultural systems, creating landscapes which are both productive and ecologically resilient.

In the past 15 years we have delivered over 75 landscape-scale projects across four states, and in the process become Trust for Nature’s largest covenantor. This means that we have permanently protected almost 20,000 acres (8000 hectares) of our continent's unique environment - more than any other organisation in Australia.

We exist to assist other businesses to develop projects which heal the planet, and collaboratively work to develop solutions in Carbon, Biodiversity Protection and Sustainable Agriculture.

Cassinia Environmental


We work with a range of partners to deliver quality biodiversity protection and restoration projects.


We manage and deliver complex landscape-scale projects with meaningful carbon and conservation outcomes.

Sustainable Agriculture

We incorporate conservation strategies into agricultural system design to create environmentally sustainable outcomes.


Forging meaningful partnerships is a core element of our collaborative business approach.

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Korong Ridge: -36.452414, 143.763651
Abbott: -36.413545, 143.780282
Baynton: -37.157786, 144.666610
Benloch: -37.214901, 144.708496
Birchip: -35.760836, 142.826716
Budgerum: -35.775999, 143.578960
Cape Otway: -38.817758, 143.507486
Carapooee: -36.721117, 143.269859
Cobungra: -37.080154, 147.457385
Glenaroua: -37.123419, 144.993991
Glenmore: -37.703756, 144.335177
Kara Kara: -36.774841, 143.205943
Kelly: -36.378170, 143.780803
Lavers Hill: -38.671053, 143.373642
Locksley: -36.805737, 145.334959
Macedon: -37.422355, 144.539341
Mt Sandy: -35.728421, 139.308543
Myamyn: -38.003112, 141.647077
Myers Flat: -36.712265, 144.173058
Nagambie: -36.670932, 145.162757
Niemur: -35.242488, 143.985472
Ninyeunook: -35.953657, 143.423878
Ploughshare: -36.350907, 143.557684
Sunday Morning Hills: -36.504933, 143.679514
Sievers (Watchbox Valley): -37.079175, 144.544990
Woodside: -38.504814, 146.900082
Implexa Block: -36.466399, 143.725678
Wehla: -36.557126, 143.636756
Yanac: -36.049441, 141.480151
Epping Forest: -41.716778, 147.268778

Our Team


Paul Dettmann

Founder and Director​

Paul has extensive experience in landscape management, agriculture, and project management. He is a 6th generation farmer with a Master of Environmental Science from the University of Melbourne and has been instrumental in a range of high-profile environmental projects, including the first CDM-accredited forestry project in Africa. With over two decades of experience, Paul has cultivated strong networks across several environmental industries.


Anna Radkovic

Landscape Operations Manager

Anna has a passion for working with nature and developing strong relationships with people. Holding a Master of Environment and Sustainability, specialising in International Development, she coordinates our land management teams to deliver the outcomes necessary for each project around Australia. Anna grew up in Kenya and hopes to one day return to East Africa to bring her sustainability expertise to new projects.

Nathan Website1

Nathan Smith

Chief Operations Officer

Nathan has 15 years’ experience across water, agribusiness, waste and environmental sectors. Prior to joining Cassinia, Nathan worked as a consultant for Deloitte Access Economics for nine years as well as water industry associations and a social enterprise delivering resource recovery services. He holds a post grad qualification in environment at the University of Melbourne and bachelor’s degrees in environmental policy and urban planning at RMIT.


Ray DeMack

General Operations Manager

Ray has been an integral part of the Cassinia team since 2013, and brings both agricultural and land management expertise to his role. Ray's ability to handle just about any problem on the land (never giving up until the problem is resolved), his practical skills in fencing, pest and weed control, as well as an incredible attention to detail are great assets to our work.


Mary Wildermast

Office Manager

From a background with the University of Melbourne in Events Management and Administration, Mary organises the office, events, and accounts at Cassinia, offering a very welcome and essential contribution to our team.

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David Reside

Project Development

David joined the team in 2019 to facilitate the development of new projects and Cassinia's strategic vision. He has a Master of Environment from the University of Melbourne, specialising in Development.

Charles Website

Charles Williamson

Livestock Partner

Charles joined the team in 2019 as a livestock partner, managing sustainable agriculture on our Sievers Lane property. He has acquired considerable natural resource management experience as a mining engineer in Queensland. His passion for environmental stewardship has brought him back to Victoria, where he enjoys bringing a sophisticated and analytical approach to farm management.


Our Partners


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