The Renaissance Center in downtown Detroit was filled with Michigan Republicans, as the party held its convention their Friday and Saturday.
Posthumus and running mate Loren Bennett presented the rest of their campaign team to the state's Republican delegates.
In his acceptance speech, Posthumus said he is the man to lead the party and the state in the coming years.
Viewers with disabilities can get assistance accessing this station's FCC Public Inspection File by contacting the station with the information listed below. Questions or concerns relating to the accessibility of the FCC's online public file system should be directed to the FCC at 888-225-5322, 888-835-5322 (TTY), or email@example.com.