Previously, he served for 11 years as an advisor to Governor Rick Perry, where he advised the governor on issues ranging from property rights protection and eminent domain to election integrity to protecting Texans from frivolous lawsuits.

In the 2017 session, Mike drafted and filed the constitutional amendment to ban a state income tax in Texas, which finally passed in 2019.

Mike was named the "Freshman Legislator of the Year" by his House colleagues for his work during the 2015 legislative session, and was recognized as one of five outstanding freshmen in the House and Senate by the Texas legislative newsletter Capitol Inside. He was also named a "Courageous Conservative" by the Texas Conservative Coalition.

This past session, Mike was co-sponsor of SB 2038, which grants landowners the right to opt out of a city's extraterritorial jurisdiction. Less than a year after it was enacted, this major property rights legislation has allowed hundreds of property owners to reclaim control over how their property is developed, rather than having a city in which the land is not located and where the landowner cannot vote to decide how the land will be used.