Found on Witness, Mercy, Life Together blog:
The Lutheran Church—Missouri Synod (LCMS) President Rev. Dr. Matthew C. Harrison introduces Rev. Gregory K. Williamson, who joined the LCMS in January 2012 as the Chief Mission Officer. Learn more in a Reporter article here.
A longer article on this can be found here.
Also available are YouTube videos of the installation sermon:
And comments from Williamson: