Muriel Brasseur  BSc (Hons), PhD, PACT-KSA

Animal Behaviourist,  Zoologist and Dog Trainer

An animal behaviourist and dog trainer with over 25 years’ experience and a PhD in Animal Behaviour, Muriel is the director of OABT. She is also a director, tutor and qualified trainer of PACT (Professional Association of Canine Trainers), an ABTC (Animal Behaviour and Training Council) Accredited Member Organisation.  She is not currently seeing clients, but works as an external consultant and teaches animal behaviour while overseeing OABT and its team.


Sarah Tapsell  BSc (Hons), MSc, PACT-KSA

Clinical Animal Behaviourist and Dog Trainer

Sarah is OABT’s consulting companion animal behaviourist. She brings a wealth of experience to the team, having worked in the Training and Behaviour Department of Battersea Dogs and Cats Home for several years, as well as previously running her own companion animal behaviour consulting business near London. Sarah holds a BSc (Hons) in Animal Behaviour and Welfare, and an MSc in Clinical Animal Behaviour with Distinction from the University of Lincoln. She has also gained full accreditation as a PACT-KSA (Professional Association of Canine Trainers-Knowledge and Skills Assessed) dog trainer. She is a provisional member of the Association of Pet Behaviour Counsellors (APBC).


Ryan Dillon  PACT-KSA

Dog Trainer and Assistant Behaviourist

Ryan has been assisting with OABT’s behaviour rehab training sessions for several years and is currently studying Animal Behaviour and Welfare at Oxford Brookes University, as well as being a qualified PACT-KSA (Professional Association of Canine Trainers-Knowledge and Skills Assessed) dog trainer. He loves teaching and is currently in charge of our dog training classes which have gained popularity due to Ryan’s fun style and upbeat personality. He also runs his own dog walking business Anico, in West Oxfordshire.


Jules Morgan  APDT UK, PACT-KSA

Dog Trainer and Gundog Specialist

 With over 25 years’ experience as a dog trainer, Jules is OABT’s senior trainer and specialist clicker gundog trainer while also running her own dog training business Dog Training Naturally. She originally trained and qualified with the APDT UK (Association of Pet Dog Trainers UK) and is also a PACT-KSA (Professional Association of Canine Trainers-Knowledge and Skills Assessed) trainer, tutor and director.  Jules is passionate about gundogs and teaching handlers to train their dogs using non-coercive, kind and ethical methods,  is known for her gentle style and endless patience, and is extremely popular with our clients. She is the go-to person for working or non-working gundogs.