House Speaker Brian Bosma announced the Crawfordsville representative's new position Tuesday.
The 5th district covers Pendleton, Carmel, and Westfield.
Uniondale Representative Jeff Espich announced Friday he will not run for re-election.
The major news out of the statehouse this week was the passage of right-to-work in the Indiana House of Representatives.
Democrats could be fined up to $1,000 per day for their absence.
The House voted Tuesday to approve a bill designed to reform the state's charter school system.
Pence is leaving his options open after announcing he won't run for President.