Unfortunately the personal trainer you are looking for John Walker is no longer an active member of the NRPT.co.uk.
Please check the following trainers that are member's in this area :
Aylesbury, Bletchley, Brackley, Buckingham, Cranfield, Leighton Buzzard, Milton Keynes, Newport Pagnell, Olney, Towcester
Price: £50.00 per session
Location: AL3