Turness email went on to say: Its really important that this improves we are committed to doing better.
The corporation already offers wellbeing resources, a bullying and harassment helpline and a counselling service.
A BBC spokeswoman said: We take all forms of bullying, harassment and misconduct incredibly seriously.
BBC Broadcasting HousePeter Dazeley/Getty Images
That is why we launched the Workplace Culture Review, which will be published shortly.