Prior to becoming the Liberal Party candidate in Etobicoke—Lakeshore. Maloney served as president of the electoral district association. Maloney was elected Member of Parliament for Etobicoke—Lakeshore in the
2015 election as part of the Liberal Party near-sweep of the
Greater Toronto Area, and briefly was appointed to the Standing Joint Committee for the Scrutiny of Regulations. Between February 2016 and 2021, Maloney has served as Chair of the Standing Committee on Natural Resources and a member of the Liaison Committee. Following the 2019 general election he was appointed as a member of the
standing committee on Justice and Human Rights. Maloney served as Chair of the Toronto Government Caucus from 2016 until 2021 when he was elected to the Chair of the Ontario Liberal Caucus. He is also the Chair of the Canada/
Ireland Parliamentary Group, the Canada/
United Kingdom Parliamentary Association, vice-president of the Canada-
Europe Parliamentary Association, and vice-chair of the Canada/
United States Interparliamentary Group. He is a member of the Canada/
Israel Interparliamentary group, the Canada/
Ukraine Parliamentary group, the Canada/
Italy Interparliamentary group, the Canada/
Japan Interparliamentary group, the Canadian branch of the
Commonwealth Parliamentary Association, the Canadian Delegation to the
Organization for Security and Co-operation in Europe Parliamentary assembly, the Canadian
NATO Parliamentary Association, the Canadian Group of the
Interparliamentary Union and Parliamentary Friends of Tibet Canada. In addition to his role in several international parliamentary associations, Maloney is a member of the House of Commons Special Joint Committee on Medical Assistance in Dying. In January 2020, the
Prime Minister appointed him to the National Security and Intelligence Committee of Parliamentarians. In September 2023, he was appointed Parliamentary Secretary to the
Minister of Justice and Attorney General of Canada. Maloney has stated that he has "no fiduciary relationship" with Dunpar Homes LTD, the developer of the project. Metrolinx warned that if homes were built in the area, noise complaints from residents could force the
Willowbrook Rail Maintenance Facility to close. As of 2023, those concerns have not materialized, and the facility remains open. Maloney was re-elected in the
2019 Canadian federal election. In January 2020, Maloney introduced a Private member's motion proposing to declare March as
Irish Heritage Month. The motion was adopted unanimously by the House of Commons on 10 March 2021. On 19 November 2020, the
Conflict of Interest and Ethics Commissioner Mario Dion released an investigative report claiming that Maloney violated the Conflict of Interest Code for Members of the House of Commons when he missed the deadline to disclose his and his family's private interests. The report has been criticized by MPs both within and outside of Maloney's own Liberal party, most notably Conservative MP
Scott Reid, who released a blog post calling the report and process behind it “vindictive”, and criticizing the appropriateness of forcing Maloney to publicly apologize for a mistake made in good faith and corrected immediately. On 19 February 2021, the House of Commons rejected the report 153 to 133, with support from all parties. Maloney was re-elected in the 2021 Canadian federal election, and he was also re-elected in the
2025 Canadian federal election. Shortly after the 2025 election, Maloney was chosen to be the National Chair of the government caucus. He was also elected chair of the
Canadian House of Commons Standing Committee on Justice and Human Rights in the
45th Canadian Parliament in 2025. ==Personal life==