He is a member of the Republican Party and the owner of an insurance and risk management firm.
Gebhard earned a Bachelor of Arts degree in psychology from Vanderbilt University in Nashville,[3][4] after which he returned to Lebanon and began working for his father's insurance agency just after it had merged with a larger company in 1996.
[2][5] After Dave Arnold died in January 2021 while serving as state senator from Pennsylvania's 48th district, a special election to fill the position was scheduled for May 18, 2021.
[8] Running against three other candidates, he won the special election to complete Arnold's term with 62 percent of the vote.
[10] In 2022, he ran for re-election against Calvin Clements, who was his closest opponent in 2022, and won with 67% of the vote.