Bidois is both of European and Māori, adopted into a family of Ngāti Maniapoto descent. He grew up in Howick, Auckland and attended Our LadyStar of the Sea Catholic Primary School, Howick Intermediate and Howick College. Bidois left Howick College at 15 to pursue a butchery apprenticeship, originally with Seaside Meats. Within two weeks of beginning his apprenticeship, he was diagnosed with Ewing Sarcoma, a rare form of bone cancer. He had chemotherapy and an operation to save his leg. Having overcome cancer, Bidois decided to continue with his butchery career, completing an apprenticeship with Woolworths Supermarket in Newmarket. Bidois later graduated with Bachelor of Commerce and Bachelor of Arts degrees at the University of Auckland. In 2010, Bidois won a Fulbright Scholarship to attend Harvard University in the United States, completing a Master of Public Policy degree in 2012.
Professional career
Bidois began his professional career as a management consultant with Deloitte New Zealand in 2008. In 2010, he joined the New Zealand Institute where he published research on improving New Zealand's economy. He spent three years as an economist with the OECD in Paris, France, working on economic reforms in emerging markets. In addition, he spent a further year in 2015 as an independent strategy consultant to the Malaysian public sector in Kuala Lumpur. He returned to New Zealand in 2016, and worked as a strategy manager for Foodstuffs.
Parliamentary career
Bidois contested the National Party selection for upon the retirement of Maurice Williamson, but failed to win the candidacy. He stood as a list-only candidate in the 2017 general election, ranked 72.
On 22 March 2018, then-Member for Northcote Jonathan Coleman announced his resignation from Parliament, triggering the first by-election of the 52nd Parliament. On 15 April, Bidois was chosen as National's candidate for the Northcote by-election, which he subsequently won by 6.28%, receiving 10,566 votes and taking 50.67% of the overall vote. Bidois was sworn into the 52nd Parliament on 27 June 2018 as the Member for Northcote and gave his maiden speech on 3 July 2018. On 3 July 2018, Bidois was announced as National's Spokesperson for the Future of Work, and Associate Spokesperson for Workplace Relations and Safety. This created criticism due to his views on trade unions. Transport was a major campaign issue of Bidois' during the 2018 by-election. Since election he has challenged Auckland Transport on delivery of services locally including petitions with his Onewa Road petition gathering over 4,000 signatures.