• The convergence of climate, water, energy and food security issues and responses
• Water, agricultural and environmental research policy
• Environmental and natural resources policy and its relationship to food, water and energy security
• Design, governance and management of collaborative applied research for impact
• Knowledge management and brokering within and across organizations
• Landcare and participatory models of extension, action research and communication
• Governance of international multilateral research collaborations
• Farm forestry and agroforestry systems

Andrew Campbell is the Chief Executive of the Australian Centre for International Agricultural Research (ACIAR), appointed by the Minister for Foreign Affairs in 2016.

Among influential roles in sustainable agriculture and research management in Australia for over thirty years, Andrew Campbell was Australia's first National Landcare Facilitator, and was CEO of Land & Water Australia for seven years from 2000.  He is Patron of Landcare in Victoria, succeeding the late Joan Kirner in 2015.

Professor Campbell is an elected Fellow of the Australian Academy for Technology and Engineering, a Professorial Fellow at the ANU Fenner School, and a Fellow of the Australian Institute for Company Directors.  He represents Australia on the System Council of the CGIAR, and is a Councillor, ACT Division in the Institute for Public Administration Australia and a Director of the Peter Cullen Water and Environment Trust. He recently stepped down as Chair (on behalf of Australia) of the Global Research Alliance on Agricultural Greenhouse Gases (GRA).

Andrew Campbell has written widely on landcare, sustainability and the science-policy interface.  He trained in forestry at Creswick and the University of Melbourne, then in agricultural knowledge systems at Wageningen University in The Netherlands.  Andrew Campbell is still involved in landcare work on his farm in south-eastern Australia, where his family has been farming since the 1860s.