Gary Walker is head of clinical services at the charity which celebrates its 90th anniversary this year.

BBC: Veterans now fight mental battle

Gary Walker was sacked as chief executive in 2010 for for gross professional misconduct for allegedly swearing in a meeting.

BBC: Lincolnshire NHS trust denies gagging order

Gary Walker, a former chief executive of United Lincolnshire Hospitals Trust, spoke out claiming he was sacked for putting patient safety before targets.

BBC: MPs want no action against gagged ex-NHS boss

Mr Hunt was referring to the case of Gary Walker, a former NHS chief executive in Lincolnshire who breached a confidentiality agreement to talk to the BBC.

BBC: Hunt NHS gag warning 'not enough'

Chief executive Gary Walker said accident and emergency staff at the hospital worked incredibly hard to ensure that patients, which numbered more than 300 a day, were seen "quickly, appropriately and with dignity and respect".

BBC: NEWS | UK | England | Southern Counties | Ambulances 'queue' to enter A&E

Controversy over gagging clauses has particularly focused on one of them, United Lincolnshire Hospitals Trust (ULHT), after its former chief executive, Gary Walker, broke a gag to speak about his 2010 dismissal and concerns over care.

BBC: Gary Walker

Former Olympic champion Linford Christie, Scottish sprinter Dougie Walker, hurdler Gary Cadogan and 400m runner Mark Richardson have all tested positive for nandrolone over the last 14 months.

BBC: Sprinter Tietz fails drugs test

We'd meet up with Gary Miller and Dennis Gargano and Matt Walker and John Ballerini and David Clingerman and Jonathan Powell and a dozen other neighborhood kids and run.

CNN: Parents, why are you pushing your kids?

Walker's storming run on the right saw him outmuscle Gary McSheffrey and Westwood made a terrible hash of stopping the cross.

BBC: Coventry 0-2 QPR