Silke Seidel holds the position of Co-Managing Director at Westfalentor 1 GmbH, Managing Director at Hohenbuschei Beteiligungsgesellschaft mbH, Co-Managing Director at Hohenbuschei GmbH & Co. KG and Co-Managing Director at Dortmund Logistik GmbH.

She is also on the board of Borussia Dortmund GmbH & Co. KGaA.