Background
Dieckmann was born in Leverkusen in 1949.
Dieckmann was born in Leverkusen in 1949.
From 1967 until 1972, she studied philosophy, history and social sciences at the University of Bonn for a teaching degree.
She is the first woman and Social Democrat to become mayor of Bonn. She was a teacher for twenty years. In 1972 she joined the Social Democratic Party of Germany. Dieckmann is married to Jochen Dieckmann, former Minister of Justice, Minister of Finance, and Chairman of the Social Democratic Party of Germany in Northrhine-Westphalia
In 2005, she became vice federal chairwoman of the Social Democratic Party of Germany, but left office two years later.
In 2005 and 2006 she was a finalist for World Mayor.
Since December 2005 Dieckmann has been Chair of the World Mayors Council on Climate Change (WMCCC). The office was established after the Kyoto Protocol came into force.
The WMCCC is committed to international cooperation and advocates for effective climate protection policies of its members.