John has over 20 years of experience in the breeding and exhibition of pedigreed cats. Whilst he mainly breeds Persians, Exotics and British short hairs under Proventus Cattery, he has also dabbled in the exhibition of American Shorthair, European Burmese, Maine Coon, Selkirk Rex and Siamese. He has had much success in exhibiting in other international pedigree cat associations with many Divisional Winner and Grand Champion/Premier titles and received the prestigious Asia Pacific Star Service Award twice.

He has served as an All breed judge for 4 years in FFF and has judged in multiple international shows in China, Hong Kong, Malaysia, Indonesia, Thailand and Taiwan. He is passionate in and is dedicated to sharing his knowledge and experience to assist exhibitors and breeders in their endeavors.