Britain's anti-doping agency has banned former athletics coach George Skafidas for life over nine rule violations.
The Greek's ban relates to his conduct coaching British sprinter Bernice Wilson.
She was banned from athletics for four years after testing positive in 2011 during an in-competition check for testosterone and clenbuterol, which UK Anti-Doping (UKAD) says Skafidas administered.
Before Wilson returned to athletics, Skafidas administered further prohibited substances and she tested positive for clomiphene in February 2015.
UKAD says Skafidas subverted the doping control process by removing and concealing the charge notice sent to Wilson, while providing a false account.
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UKAD chief executive Nicole Sapstead said "this case is not only incredibly disturbing but sad," adding that Skafidas abused a position of trust and "categorically destroyed" Wilson's career.
