Roger is a television presenter, biologist, naturalist, behaviourist and award winning author.  He is recognised as one of the world’s leading authorities on cats and has written and presented two BBC TV series – Cats and Understanding Cats.  He is also acknowledged as the field ecologist who pioneered the study of urban feral cats, and has actively worked on the behaviour and ecology of cats for over 25 years.  Roger is a regular contributor to a range of publications and TV programmes.  He has written a number of books including the best selling 100 Ways to Understand Your Cat.