Accidental managers’ with no formal leadership training are contributing to almost one in three workers quitting, finds research from the UK’s Chartered Management Institute (CMI). 

The survey of more than 4,500 workers and managers conducted by YouGov, found that 82% of those who take up management positions have no proper training. 

Some 26% of senior managers and leaders and 52% of managers also claimed they’ve had no formal management...