[2] In 1981, she was promoted to become the Executive Assistant to the Deputy Film Commissioner of the NFB, and two years later was appointed the organisation's Planning Co-ordinator.
[3] When François N. Macerola left in December that year, six months before the end of his contract, Pennefather was appointed as acting Government Film Commissioner in his place.
[3] In 1992, Pennefather and the NFB hosted a pre-conference event entitled "It Matters Who Makes It", designed to discuss ways of improving the status of women in the media both on and off the screen, as part of the International Institute of Communications conference being held in Montreal.
[2] However, the same year Pennefather was forced to appear before the Senate Subcommittee on Veterans' Affairs to defend the documentary series The Valour and the Horror, which the NFB had co-produced with Galafilm Inc. and the Canadian Broadcasting Corporation.
[9] Pennefather was married to former Solicitor General of Canada Francis Fox when it was revealed in 1978 that he had forged the signature of his then-girlfriend's husband on a form granting permission for her to have an abortion.