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Meet the Academic Staff

Delta’s teaching staff includes renowned Veterinary Behaviourist and highly experienced and passionate lecturers.



Dr Gaille Perry

BVSc, MACVSc (Animal Behaviour), PhD, DipEd, BEdSt, Cert IV in Training and Assessment, CMAVA leading Veterinary Behaviourist.

Gaille Perry

A UQ graduate, Gaille worked in mixed practice for 10 years, as well as breeding, training and showing. She returned to university in 1982 to complete a DipEd then a BEdSt in 1983. Her lifelong interest in behaviour led to a membership of the College of Veterinary Scientists in 1993 and a PhD in behaviour in 1999. Gaille recently retired from her role of 26 years as principal teacher at Brisbane North Institute of TAFE, and she consults at Sydney Animal Behaviour Service, to the RSPCA nationally and in QLD, and to the QLD Government. Gaille was the inaugural secretary for the Behaviour Chapter of the Australian College of Veterinary Scientists and of the Australian Veterinary Behaviour Interest Group. She regularly speaks at local, national and international behaviour conferences.




Kerrie Haynes-Lovell

Cert IV in Captive Animals, Cert III in Companion Animal Services, Cert IV in Training and Assessment and renowned animal trainer.

Kerrie Haynes-Lovell

After leaving school, Kerrie worked as a vet nurse before moving in to the exotic animal world at Taronga Zoo in Sydney. An interest in conditioning led her to broaden her skills in training and Kerrie moved her family to Queensland to work at Sea World. During her 17 years at Sea World, Kerrie was associated with all aspects of animal care, rescue and rehabilitation, and training. She held positions as a Senior Trainer, Assistant Curator, Rescue Team Member, and Supervisor of Polar bears. Kerrie has held executive positions in professional associations related to animal care and training and she regularly consults for local, national and international zoological facilities and dog training groups. She has taught the Certificate III in Captive Animals (zoo keeping) for 10 years in both Queensland and NSW.



Derell Sayer

Certificate IV in Companion Animal Services, Certificate IV in Training & Assessment, Delta Institute Accredited Professional Dog Trainer

Derell Sayer

Derell trained her German Shepherds under the guidance of Delta Trainers in 1997 and found the training so beneficial she decided to become a Delta Trainer herself, so that she could help other people train their dogs. She completed the original Certificate IV Course in 2001 and updated to the current qualification in 2012. Derell enjoyed the Course immensely and found a new passion in life as a result. She has been part of the teaching team for the Course since she was invited to become involved in 2003.










Kate Joseph

Certificate IV in Companion Animal Services, Certificate IV in Training & Assessment


Picture of Delta Assessor Kate Joseph sitting on the ground with 3 dogsKate originally studied music at University, but became interested in animal behaviour through a volunteer role with RSPCA Qld over 15 years ago. She began working for a small animal veterinary practice on Brisbane’s north side as a vet nurse and completed her Certificate IV in Companion Animal Services through Delta Society Australia in 2007 and updated in 2016.

Kate has worked in various fields within the animal industry as a Veterinary nurse, private animal trainer and as Behaviour and Enrichment Trainer with RSPCA Qld. Kate is passionate about community animal welfare issues and animal rehabilitation, building strong, trusting bonds between people and animals that last a lifetime.

In 2011 Kate and her family moved to Grafton, NSW. In 2012 Kate became a Greenhound Approved Assessor and in 2015 she completed a Graduate Diploma in Psychology to further her studies in behavior and in 2017 she became an Assessor for Minddog.

Kate now works part time as a Veterinary Receptionist/Nurse, manages her own small animal rescue group, where she spends her time rehabilitating and raising physically and mentally healthy animals and helping others to do the same through understanding and relationship building.