Wadephul completed high school at Meldorfer Gelehrtenschule. Afterwards he studied law in Kiel[1] and became a lawyer specializing in health care law and social law.
From 1993, Wadephul was a member of the leadership of the CDU in Schleswig-Holstein. He served as Secretary General of the CDU in the state from 1997 to 2000, under the leadership of party chairman Peter Kurt Würzbach. From 2000 until 2002, he briefly chaired the party in Schleswig-Holstein, but was soon succeeded by Peter Harry Carstensen. During his time as chairman, he publicly endorsed Edmund Stoiber as the party’s candidate to challenge incumbent ChancellorGerhard Schröder in the 2002 federal elections.[2]
Wadephul first served on the Committee on Labour and Social Affairs. From the 2013 elections, he was the chairman of the Committee on the Scrutiny of Elections, Immunity and the Rules of Procedure. In addition, he served as member of the Committee on Foreign Affairs and of the parliament’s Council of Elders, which – among other duties – determines daily legislative agenda items and assigning committee chairpersons based on party representation.
On the Committee on Foreign Affairs, Wadephul was his parliamentary group’s rapporteur on relations with the Middle East, Arab states of the Persian Gulf and Iran. He also covered issues related to Belarus, Ukraine, Russia and the Western Balkans. In addition to his committee assignments, he served as Deputy Chairman of the German-Belarusian Parliamentary Friendship Group.
In addition to his work in parliament, Wadephul has been a member of the German delegation to the Parliamentary Assembly of the Council of Europe (PACE) since 2010. As member of the CDU, he is part of the Group of the European People's Party. Since joining the Assembly, he has served on various committees, including Committee on Legal Affairs and Human Rights, the Committee on Rules of Procedure, Immunities and Institutional Affairs and the Sub-Committee on Ethics. Since 2022, he has also been a member of the German delegation to the NATO Parliamentary Assembly, where he is part of the Political Committee.[3]
For the 2021 elections, Wadephul was elected to lead the CDU campaign in Schleswig-Holstein for the fourth consecutive time.[4]
In June 2017, Wadephul voted against his parliamentary group’s majority and in favor of Germany’s introduction of same-sex marriage.[8]
In 2019, Wadephul joined 14 members of his parliamentary group who, in an open letter, called for the party to rally around Merkel and party chairwoman Annegret Kramp-Karrenbauer against criticism voiced by conservatives Friedrich Merz and Roland Koch.[9]
In April 2020, Wadephul co-signed – alongside around 50 other members of his parliamentary group – a letter to President of the European CommissionUrsula von der Leyen which called on the European Union to take in children who were living in migrant camps across Greece.[10][11]
In a 2023 interview with the German newspaper "Tagesspiegel", he advocated that Ukraine be allowed to use the weapons supplied by Germany, among others, on Russian territory.[13]
Personal life
Wadephul is married and has three children.[1] The family lives in Molfsee.