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Meet the Team


Roger Carthew

Roger commenced his own business in 1976 and has managed and grown a number of successful ventures since then. He has the ability to identify and pursue niche market opportunities in business and is a skilled presenter on the subject of environmental performance and organic agriculture. During the 1990’s he ran a farm in South Australia based on keyline principles. More recently, Roger is the founder and manager of Vital Veggies, a successful Adelaide business that installs food gardens into homes, kindergartens and schools, incorporating permaculture design and organic/biodynamic inputs. He is passionate about encouraging and helping all people to grow their own food naturally and reconnecting with the source of their food. Roger is a regular attendee at networking events with topics of business, mining, sustainability, clean tech, and leadership development and has an extensive network throughout business and government.

Deputy Chair

Kym Green

Kym is a fifth generation orchardist and Nuffield scholar from Lenswood, SA who has practiced biodynamics on apples and cherries since 2006. He’s a keen communicator and innovator, holding field days on his farm and teaching his own effective pruning methodology from Australia to the US and Chile.


Judi Unger

I am a partner of a 1400ha ACO certified organic/biodynamic property in Peak Hill, NSW.  With my husband Ray, I run a mixed farming broadacre enterprise growing merino sheep, wool fat lambs, poll Hereford cattle and cereal grains and hay.  We have been members of BAA for 20 years (Ray was Chairman 2010-2014).  We began applying biodynamic principles to our property in 1997 to create a living, thriving and healthy environment for our family animals and crops.

Furthering my knowledge in plant production I completed a Diploma in Organic Agriculture focusing on soil fertility and an intensive permaculture course through Milkwood.  Along with a lifetime love of growing native trees, fruit, vegetables and eggs I strive to live a lifestyle of self-sufficiency, environmental responsibility and living sustainably.

As a retired high school teacher and principal I have experience in various executive roles in educational settings, agricultural groups and within my local community.   I believe I can bring a sense of purpose, a lifetime of experience, practical knowledge of farming and gardening, technological competence and the ability to work as part of a team within the BAA to foster the educational role of promoting the principles of biodynamics.


Melissa Brown

I am the viticulturist and co-owner of Gemtree Wines, Mclaren Vale.  Our 306 acres of vineyards and all our wines are certified biodynamic with Australian Certified Organic.  The health of our vineyards and consequently fruit quality has continued to improve year on year under a biodynamic regime.  Since 2006 I have attended many workshops and read to increase my knowledge as well as belonging to Biodynamic AGriculture Australia Ltd.  It is a journey I am committed to and am proud of what we have achieved in setting the scene for future generations.

We offer interactive tours to visitors to educate them about the biodynamic philosophy.  The tours are called “Being Biodynamic” and “Wine and Wander”.  The Wine and Wander tour takes in the Gentree Ecotrail, a 25 acre parcel of land we have dedication to native flora and faune in the heart of ouyr vineyards.

I hold an Assoc. Dip. in Business, majoring in Human Resource Management from Uni SA, and a BSc majoring in viticulture from CSU Wagga.  I have served on the boards of Greening Australia/SA for 5 years and Regional Development Australia, Adelaide metro for 2 years and as chair for the Viticulture Reference Committee in Mclaren Vale.


Sid Hazell

Ian (Sid) Hazell is a TAFE teacher who has been teaching Organic Farming, Biodynamics and Production Horticulture for over 15 years. Over that time he has brought many students to the BAA office in Bellingen twice a year so that they may participate in preparation making and be exposed to the concepts of biodynamics. He is passionate about passing on the knowledge and benefits of organics and especially the deep respect for the earth and humanity found in biodynamics.


Peter Kearney

Peter Kearney is an experienced organic food grower in cities with a strong passion for developing the urban agriculture potential of cities. Peter’s business, My Food Garden consults to individuals, community organisations, governments and large property developers on integrating sustainable urban agriculture into their environments. Peter was the founder of Millen Farm, a significant community agriculture initiative in Samford, Brisbane. Peter commenced his connection to biodynamics in 1995 and runs biodynamic workshops in capital cities of Australia. In 2018 he ran a series of workshops at an international biodynamic conference in Switzerland. Peter trained as an accountant and has participated in a diverse range of commercial, government and community organisations in his work career as entrepreneur, consultant, employee and volunteer.

Company Secretary

Louise Skidmore

Louise has been an ACO certified organic/biodyamic beef producer since 1990 with partner, Randolf, on the Darling Downs, Qld and in Hernani, NSW, where biodynamic practice guides their environmental management system and farm management.

Previous not-for-profit board positions include regional Natural Resource Management body, Condamine Alliance, Biological Farmers of Australia, Organic Federation of Australia, Central Downs Landcare, and Clifton Landcare.

Louise has completed a Diploma in Conservation and Land Management and the Australian Institute of Company Directors New Directors course. Louise is a General Aviation and RAA pilot; owning an aircraft for inter-farm commutes.

BAA Staff 2020

Back (left to right): Nico, Mark, Huon
Front (left to right): Glenys, John, Kaz, Fiona