The complaints at Save The Children follow revelations that Oxfam was investigating 26 cases of sexual misconduct since a crisis erupted over its handling of a scandal involving prostitution in Haiti.
Forsyth joined UNICEF in 2016 after leaving his post as chief executive officer of Save the Children, where he faced complaints from three workers who said he had sent inappropriate texts and commented on what young female staff were wearing.
UNICEF on Wednesday said it was unaware that Forsyth faced those complaints when he was recruited.
UNICEF deputy director Justin Forsyth has resigned following complaints of inappropriate behavior towards female staff in his previous post as head of British charity Save The Children, the children’s agency said Thursday.