[1] In 1984, Mathiak graduated from the Doctor of Chiropractic program from Life University in Marietta, Georgia.
[1] In 2003, Mathiak was appointed to become a member of the Georgia Board of Chiropractic Examiners by Governor Sonny Perdue.
In 2011, Mathiak was appointed to the Georgia Board of Chiropractic Examiners again by Governor Nathan Deal.
[3] On November 8, 2016, Mathiak won the election and became a Republican member of Georgia House of Representatives for District 73.
[4] On November 6, 2018, as an incumbent, Mathiak won the election unopposed and continued serving District 73.