After receiving his Abitur in Velbert, Gehring majored in social sciences at the Ruhr University Bochum, earning his Diplom in 2003.

Since joining the parliament, he has been serving on the Committee on Education, Research and Technology Assessment.

In addition to his committee assignments, Gehring has served as deputy chairman of the German-Greek Parliamentary Friendship Group (2013–2017); the Parliamentary Friendship Group for Relations with Arabic-Speaking States in the Middle East (since 2018), which is in charge of maintaining inter-parliamentary relations with Bahrain, Irak, Yemen, Jordan, Qatar, Kuwait, Lebanon, Oman, Saudi Arabia, Syria, United Arab Emirates and the Palestinian territories; and the Parliamentary Friendship Group for Relations with the Central African States (since 2018).

[2] In the negotiations to form a coalition government of the Christian Democratic Union (CDU) and the Green Party under Minister-President of North Rhine-Westphalia Hendrik Wüst following the 2022 state elections, Gehring was part of his party’s delegation in the working group on research, digitization and innovation, co-chaired by Anja Karliczek and Raoul Roßbach.

[3] In June 2024, Gehring announced that he would not stand in the 2025 federal elections but instead resign from active politics by the end of the parliamentary term.