Academic and professional history:
- 2008-present: Manager, CART at Lincoln Ventures Ltd
- 2004-2008: Director, Centre for Pesticide Application and Safety and working half-time for National Environmental Toxicology Research Centre (EnTOX), University of Queensland, Australia
- 1993-2004: Project Manager, Spray Drift Task Force, Stewart, Missouri, U.S.
- 1991-1993: Research Specialist, New Mexico State University, U.S.
- 1988-1991: Research Assistant with International Pesticide Application Research Centre at Imperial College, London University, U.K.
Memberships:
Science Fellow to Australian Pesticides and Veterinary Medicines Authority (APVMA).
Extensive voluntary work for technical societies, e.g. member of Editorial Board for three international journals, Chair of technical committees of several international societies, organiser of several international conferences, and Senior Advisor to government organisations in Australia and the U.S.
Research subjects:
- Spray drift, application, atomization, transport, deposition, environmental fate, optimization and efficacy for industrial, agricultural, forestry and vector control applications in New Zealand, Australia, the U.S. and worldwide.
- Research into industrial spray applications, patternation, atomisation processes and spray visualisation.
- Management of wind tunnel facilities for spray research. - Field and laboratory studies for diverse application types. - Spray atomisation and drift modelling.
- Education, including training courses for government and industry groups.
Current projects:
Pesticide application research and training projects for FRST and other groups in New Zealand and overseas.
Recent publications:
Hewitt, A.J. (2008) Spray optimization through application and liquid physical property variables–I. The Environmentalist 28 (1), 25-30.
Hewitt, A.J. (2008) Droplet size spectra classification categories in aerial application scenarios. Crop Protection 27 (9), 1284-88.
Hewitt, A.J. (2008) Spray Drift Minimisation Technologies in Forestry. Proc. ForestTech 2008.
Hewitt, A.J. (2008) Australia’s Spray Drift Mitigation Measures. TPSA 8th Annual Pesticide Stewardship Conference, Asheville, NC, USA.
Hewitt, A.J. (2008) Droplet Size Calculators: Generic Models for Application Support and Product-Specific Models for Label Compliance. TPSA 8th Annual Pesticide Stewardship Conference, Asheville, NC, USA.
Hewitt, A.J. (2008) WTDisp and the Use of Wind Tunnels in Estimating Drift from Ground Sprayers. TPSA 8th Annual Pesticide Stewardship Conference, Asheville, NC, USA.
Hoffmann, W.C., Hewitt, A.J., Ross, J.B., Bagley, W.E., Martin, D.E. and Fritz, B.K. (2008) Spray Adjuvant Effects on Droplet Size Spectra Measured by Three Laser-Based Systems in a High-Speed Wind Tunnel. J. ASTM International 5 (6).
Kosusko, M., Bullock, K., Birchfield, N. and Hewitt, A.J. (2006) Development of a Test Plan to Verify Pesticide Drift Reduction Technologies. ASABE Paper 061010, ASABE Annual Meeting, Portland, Oregon, USA.
Hoffmann, W.C. and Hewitt, A.J. (2005) Comparison of Three Imaging Systems for Water-Sensitive Papers. Applied Engineering in Agriculture 21, 961-964.
For a list of other publications by Andrew Hewitt, click on the attached file: 
A Hewitt publications to 2004.pdf
Tel: +64 3 325 3716
Fax: +64 3 325 3725
Email:
firstname.lastname
@lvl.co.nz