On May 3, 2019, Oliphant was appointed as the Parliamentary Secretary to the Minister of Foreign Affairs by Prime Minister Justin Trudeau. He had previously served as the Chair of the Standing Committee on Citizenship and Immigration. Oliphant is now working closely with the Honourable Marc Garneau, Minister of Foreign Affairs. Rob is also Co-Chair of the Canada-Africa Parliamentary Association and the Canada-Pakistan Friendship Group. He served as Co-Chair of the House of Commons and Senate Special Joint Committee on Physician-Assisted Dying and as Chair of the Standing Committee on Public Safety and National Security from 2015 to 2017.