A graduate of the United States Naval Academy, Holmes previously served in the United States Marine Corps.
[1] He currently is the CEO of a mechanical and industrial contracting company in Zanesville, Ohio.
[2] In 2019, state Representative Brian Hill was appointed to the Ohio Senate, creating a vacancy in the 97th district.
[3] Soon after it was announced that Holmes was chosen by Ohio House Republicans to fill the vacancy and serve out the remainder of Hill's term.
[5] Holmes is credited as "Military Strategy Consultant" on the popular science fiction film "Coherence.