Our Directors

John Oleshko BVSc certSAD MRCVS Advanced Practitioner in Veterinary Dermatology

John has been at Ashfield House since 1987 and together with David Knowles is a Director of Ashfield House. His clinical interests include cats and skin problems.

He has a certificate in Veterinary Dermatology and accepts skin problem referrals from other practices.

Outside of work John’s main interest is photography (many of the pictures on this website are taken by John, especially those of his loyal companion Harvey and his travels to Botswana and Greece).

In between juggling work and a family of 3 children, John enjoys walking and gardening.

David Knowles BVMandS MRCVS

David joined Ashfield House in 1992 and together with John Oleshko, is one of Ashfield House’s Directors. David’s varied clinical interests include oncology, diabetes, dentistry and cats.

Outside of work, David enjoys tennis and most especially playing golf – at present he is trying to improve his 14 handicap!

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