Chosen by the Parliament of Western Australia on 16.8.2017 under section 15 of the Constitution to represent that State in the Senate, vice C Back (resigned). Elected to the Senate for Western Australia 2019.

Liberal Party of Australia. Served: 16.08.2017 to present

Temporary Chair of Committees from 19.9.2018 to 18.10.2021.

President of the Senate from 18.10.2021 to 25.7.2022.

Government Deputy Whip in the Senate from 2.7.2019 to 18.10.2021.

Joint Standing: Migration served from 17.8.2017 to 5.2.2018; National Disability Insurance Scheme served from 17.8.2017 to 1.7.2019; Treaties served from 17.8.2017 to 11.4.2022; Parliamentary Library served from 17.8.2017 to 1.7.2019; Parliamentary Library served from 1.8.2022 to 29.8.2022; Parliamentary Library served as Joint Chair from 29.8.2022 to present

Joint Statutory: Broadcasting of Parliamentary Proceedings served from 1.8.2022 to present; Australian Commission for Law Enforcement Integrity served from 1.8.2022 to 1.7.2023; National Anti-Corruption Commission served from 9.2.2023 to present

Senate Legislative and General Purpose Standing: Community Affairs: Legislation served from 17.8.2017 to 20.8.2017; Community Affairs: References served from 17.8.2017 to 10.9.2018; Rural and Regional Affairs and Transport: Legislation served from 17.8.2017 to 1.7.2019; Rural and Regional Affairs and Transport: References served from 17.8.2017 to 1.7.2019; Community Affairs: Legislation served as Chair from 21.8.2017 to 10.9.2018; Education and Employment: Legislation served from 10.9.2018 to 10.9.2018; Education and Employment: References served from 10.9.2018 to 11.9.2018; Education and Employment: Legislation served from 10.9.2018 to 11.9.2018; Education and Employment: Legislation served as Chair from 11.9.2018 to 1.7.2019; Education and Employment: References served as Deputy Chair from 12.9.2018 to 1.7.2019; Economics: Legislation served from 2.7.2019 to 3.7.2019; Economics: References served from 2.7.2019 to 3.7.2019; Economics: References served as Deputy Chair from 4.7.2019 to 18.10.2021; Economics: Legislation served as Chair from 4.7.2019 to 18.10.2021; Community Affairs: Legislation served from 1.8.2022 to 13.6.2023; Community Affairs: References served from 1.8.2022 to 13.6.2023; Environment and Communications: References served from 1.8.2022 to 13.6.2023; Education and Employment: Legislation served from 13.6.2023 to present; Education and Employment: References served from 13.6.2023 to present

Senate Select: Lending to Primary Production Customers served from 17.8.2017 to 6.12.2017; Red Tape served from 17.8.2017 to 3.12.2018; Political Influence of Donations served from 11.9.2017 to 5.2.2018; Multi-Jurisdictional Management and Execution of the Murray Darling Basin Plan served from 24.7.2019 to 31.7.2019; Multi-Jurisdictional Management and Execution of the Murray Darling Basin Plan served as Chair from 1.8.2019 to 30.9.2021; COVID-19 served as Substitute member from 22.9.2020 to 22.9.2020; COVID-19 served as Substitute member from 24.9.2020 to 24.9.2020; COVID-19 served as Substitute member from 11.3.2021 to 11.3.2021; Perth Mint and Commonwealth regulatory compliance served from 22.6.2023 to present

Senate Standing: Publications served from 17.8.2017 to 1.7.2019; House served as Chair from 2.7.2019 to 25.7.2022; Procedure served from 2.7.2019 to 25.7.2022; Privileges served from 15.10.2019 to 20.10.2021; Appropriations, Staffing and Security served as Chair from 18.10.2021 to 25.7.2022; Privileges served from 1.8.2022 to 3.8.2022; Privileges served as Chair from 4.8.2022 to present; Publications served from 13.6.2023 to present

Treasurer of the Liberal Party O'Connor Division (WA) from 2008 to 2012.

Member of the Liberal Party State Election Marginal Seats Campaign Committee (WA), 2008.

State Councillor of the Liberal Party O'Connor Division (WA) from 2009 to 2015.

Delegate to the Liberal Party Federal Council from 2010 to 2012.

Member of the Liberal Party Federal Election Marginal Seats Campaign Committee, 2010.

Member of the Rick Wilson for O'Connor Liberal Party Campaign Committee from 2013 to 2019.

Senate Candidate for the Liberal Party from 2013 to 2014.

Delegate to the Liberal Party Federal Council, 2014.

President of the Liberal Party O'Connor Division (WA) from 2015 to 2017.

Chair of the Rick Wilson for O'Connor Liberal Party Campaign Committee, 2016.

Delegate to the Liberal Party Federal Council, 2017.

Member of the Nicole Robins for Fremantle Liberal Party Campaign Committee, 2019.

BA(Hons) (Murdoch University).

LLB (University of New England).

Policy Director of the Pastoralists and Graziers Association (WA) from 2005 to 2008.

Chief of Staff and Senior Adviser to Senator the Hon. M Cormann from 2008 to 2016.

Campaign Director of the Australian Grains Champion from 2016 to 2017.

Born: 27.3.1970, Manjimup, Australia

Gender: Male

Marital Status: Married