Our Team

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Stellina Popplewell (Assoc.Dip.App.Sc.(ChemTech)) – Principal Consultant

Possesses a broad chemical knowledge.Commercial involvement with chemical manufacturing industry. In depth regulatory experience gained over 20 years in Australia and New Zealand. Veterinary medicine and animal health expertise. Hands on experience with TGA registrations for registrable and listable products. Knowledgeable with in all aspects of AICIS complance and new chemical introductions. GHS/hazard classification speciality, label and safety data sheet compliance.

Gavin Hall (B.Sc. Hons) – Chief Operating Officer – Principal Consultant

Broad regulatory experience gained over 30 years in government and industry. Provides strategic advice on regulatory matters and manages the agricultural products division of DTS. Focus on creating regulatory solutions for the most difficult and interesting products. Has held senior APVMA roles (Pesticides Program, Data Protection, Fees Review, Senior Evaluator). Strong networks across industry. Has a Bachelor of Science degree with Honours from Australian National University in Canberra. Gavin has been with DTS since 2007.

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Chang Li (B.Biotech and M.Sc.) – Senior Consultant

Specialist in pesticide science, with extensive experience in researching various pesticide mechanisms at a molecular level. Experience with regulatory processes in China, Australia and New Zealand. Strong commitment to quality work. Knowledgeable with broad range of submission types. Worked as a consultant assisting companies in China and Australia. With her Chinese background and language skills Chang is well placed to assist clients, notably Asian suppliers, in securing regulatory approvals and compliance in Australia.

 


Rebecca Skinner (B.Sc. (App Chem)(Hons), PhD) – Senior Consultant

Rebecca brings over 20 years of regulatory experience across the agricultural chemical and veterinary medicine sectors in Australia and New Zealand, with particular expertise in the development and registration of novel and generic companion animal products. Rebecca combines a strong commercial focus with a deep understanding of regulatory risk, enabling the development of robust regulatory strategies. She has practical experience working within GMP-controlled environments, and has a strong understanding of compliance and quality management systems.

Eunice Wong (B.App.Sc. and M.Agr.St.) – Consultant

Eunice’s background in horticulture led to involvement with nematodes and screening for resistance in sugarcane glasshouse and field trials. This level of plant protection knowledge greatly assists in understanding pesticide products. Knowledgeable and practical experience with NICNAS listing of chemicals, GHS/hazard classification, label, and safety data sheet compliance, TGA literature searches for complementary medicines. Great attention to detail, follow through with strong focus on submission quality that meets regulatory requirements and post registration compliance responsibilities. Eunice also is well versed in Chinese languages.

 

Lauren Smith (B.Sc. Hons) - Consultant

Lauren Smith is an experienced Research Officer with a strong background in agricultural efficacy and residue studies. Lauren has an extensive background in scientific research, regulatory compliance, and business operations. Her experience spans trial management, statistical analysis, and collaboration with growers, laboratories, and industry stakeholders to deliver robust, regulatory ready data.
She is known for her structured and detail-oriented approach.

Tim Dwyer – Senior Consultant

Tim has a background in chemistry. He specialises in medical device regulation, working across diagnostic, therapeutic, software, and over-the-counter products, including Class I, II, and III devices. Tim also has extensive experience with the Australian Industrial Chemicals Introduction Scheme (AICIS), supporting both new chemical introductions and ongoing compliance obligations. Tim also provides regulatory guidance APVMA framework, with expertise in companion animal nutritional products.

Jenni Priddle (M. Sc., PhD) – Consultant

Jenni has a strong research background in molecular biology, genetics and plant biology. She has practical experience working with fertiliser compliance, import regulations and agricultural chemical regulations in Australia and New Zealand. Jenni also has extensive knowledge in organic certification of agricultural inputs with certification bodies such as ACO in Australia and OMRI in the USA. She has previously worked with biological pesticide product development. Jenni has a Master of Medical Science (Biomedicine) from the Karolinska Institute in Stockholm, Sweden, and a PhD in Genetics and Plant Breeding from the Swedish University of Agricultural Sciences.

Vineeta Weatherson (B. Sc Chemistry) – Consultant

Vineeta Weatherson (B. Sc Chemistry) – Consultant

Vineeta brings extensive expertise in the development, registration, and compliance of products within Australia, New Zealand, and global markets. Backed by a strong foundation in analytical chemistry and quality systems, Vineeta delivers practical and risk-aware guidance that integrates scientific rigor with regulatory requirements. Her core competencies include regulatory strategy, dossier preparation, claims substantiation, and advertising compliance

 

Taylor Beckett – (B.Sc Hons and M.Biotech) – Consultant

Taylor Beckett – (B.Sc Hons and M.Biotech) – Consultant

Taylor has worked in product development for the in vitro diagnostic industry for over five years. She has also worked within local government. Taylor has practical experience in design, manufacture, GxP compliance, project management and quality management systems. Taylor has a Master of Biotechnology and a first class honours degree in Science.

 

Phillip Coghlan (B.App.Sc.(Biochemistry), PhD) – Senior Consultant

Phillip has extensive regulatory experience gained over 16 years with the Australian government regulator of pesticides and veterinary medicines, APVMA. He held senior regulatory science roles at APVMA (Director Chemistry and Manufacturing, Director Pharmaceutical Chemistry, Director Standards and Data Guidelines, Senior Evaluator and Evaluator). Phillip’s main expertise lies in the chemistry and manufacture of agricultural and veterinary chemical products.

 

Kritima Dhakal (B.Med.Sc. (Med Biochem) and M.Biotech. (Res Ext)) – Consultant

Kritima has a strong scientific background and practical experience in product development, quality systems, and regulatory compliance. She assists clients in navigating agricultural and veterinary chemical regulatory compliance, interpreting and integrating technical data to meet domestic and international requirements. Kritima applies her scientific and technical understanding to support efficient, evidence-based pathways for product development and registration.

 

Judy Patterman (Ph.D) – Senior Consultant

Judy holds a Ph.D. in organic synthesis from the University of Melbourne and has over 25 years of experience in regulatory compliance, particularly in chemistry, pesticide residues, and plant and animal metabolism. She has extensive expertise in supporting the registration of traditional and biological pesticides, genetically modified seeds, and novel products within Australian agricultural systems. Judy is highly skilled in communicating effectively with government regulators and industry specialists.

 

Liliana Hidalgo (BAgrSc (Hons) and MBA) – Consultant

Liliana has 15 years of experience in product development and field trials for crop care products. Her knowledge in crop management assists to understand the opportunities of implementing regulations and challenges for agricultural industries. She has experience in pesticide registrations and compliance with Dangerous Goods, GHS and Agricultural chemical regulations both domestically and internationally.

 

Brittany Brown (BSc) – Consultant

Brittany has experience across regulatory affairs for AICIS compliance, TGA Medical Devices and Listed Medicines, nutritional and special purpose foods, spanning both local and global markets. Brittany is known for her attention to detail and is skilled in cross-functional collaboration to ensure products comply with regulatory requirements. She holds a Bachelor of Science in Food Science and Human Nutrition.

Campbell Copier (B.Biomed.Sc.) – APVMA Regulatory Consultant

Campbell brings hands-on experience as a Chemist within an APVMA-regulated agrochemical manufacturing facility, working closely with SDSs, labels, and formulation data. Campbell leveraged his knowledge of the APVMA regulatory framework to help deliver new and existing chemistry to the global market through establishment of robust quality procedures, analytical methods, and coordination of pesticide samples for field trials.  Skilled in GMP, GLP and ISO 9001 compliance, root cause investigations, and technical documentation, Campbell is developing a specialisation in agrochemical regulatory science and safety evaluation.

Patrick Dwyer – Finance Manager

Patrick brings a diverse background in customer service, project management, and finance. With expertise as a small engine technician and a proven track record in managing service workshops and teams across various industries, Patrick is committed to delivering efficient service and support for our clients. His focus on operational excellence ensures streamlined processes and high levels of customer satisfaction.

David Dwyer (B.Bus, M.Econ) – Business Manager

Focus on customer service and project management. Skilful in process improvement through the use of technology. Experienced in a wide variety of industries and businesses across Queensland.