The chairman of the World Economic Forum will step down "with immediate effect," the Swiss-based non-governmental organization announced Monday. On Sunday, during a special meeting, the board of trustees of the World Economic Forum accepted the resignation of its longtime leader Klaus Schwab.

The World Economic Forum announced on Tuesday that it has launched an investigation into its founder, Klaus Schwab, following a whistleblower letter alleging misconduct by the former chairman. The announcement came a day after the 87-year-old Schwab said he was resigning as chairman,

Fresh claims follow allegations last year that the chair presided over a toxic workplace culture at the organisation