[1] She then took a job locally with the East German Trade Organisation (Handelsorganisation) which was concerned with the provision of daily necessities in Magdeburg.
[1] Between 1982 and 1988 she served as chair of the Trades Union leadership, and from 1988 till 1989 as SED Party Secretary within the "Handelsorganisation" in Magdeburg where she worked.
[1][3] On 9 December 1989 Marlies Deneke was elected to the executive committee and the presidium of the newly launched Party of Democratic Socialism.
She was re-elected to the PDS deputy chairmanship in January 1991[7] retaining both the position and a high party profile till December 1991.
[8][9] Marlies Deneke continued to undertake support work for the PDS group in the Bundestag for some time, but she resigned from the party in 2002.