Christiane Benner (born February 9, 1968, in Aachen) is a German sociologist and trade union official. In 2023, she became the first woman to hold the post of First Chairwoman of Europe's largest industrial union, IG Metall (the German metalworkers union). After being elected to the union leadership in 2015, she is the first woman to do so in the union's 125-year history.^[1][2]

Benner was born in the west German town of Aachen and raised by a single mother.^[3] After completing her secondary education in Bensheim in 1987, she trained as a foreign language secretary at Carl Schenck AG (part of the Dürr Group since 2000), where she remained until 1993.

Benner then studied sociology at Philipps University in Marburg and at the University of Chicago in North Manchester, Indiana, earning a Bachelor of Arts degree.^[4] She completed her studies at the University of Frankfurt with a diploma.^[4] Her studies were financially supported by the Hans Böckler Foundation (trade union affiliated foundation).^[5]

Having worked for IG Metall in various functions since 1997, Benner was elected as its vice chair on October 20, 2015, with 91.9 percent of the vote; she worked with the trade union's first chairman Jörg Hofmann.^[6] In this capacity, she became the first woman to lead the world's largest stand-alone trade union after 125 years of its existence. The Tagesspiegel reported on her election under the headline "IG Metall dares the revolution".^[7]

In 2022, Benner was appointed by Minister of Digital Affairs and Transport Volker Wissing to the German government’s advisory board on its digitization strategy.^[8]

On October 23, 2023, Benner was elected First Chairwoman of IG Metall.^[2][9]

Benner is married and a member of the Social Democratic Party of Germany.^[4]

Benner warned Elon Musk not to avoid unionisation of Tesla company.^[14]

Benner views the far right wing party^[15] AFD as a risk for the German economy.^[16][14]