Thomas Ridder has finally left the HR Group, the parent company of Hamm Market Solutions and Reno, where he has been acting as a member of the executive board since May 2011. Citing personal reasons, he had been placed on a leave of absence since January. Ridder previously worked in the top management of Leder & Schuh, parent company of Humanic and other shoe retail chains, and became its chief executive in 2005. Ridder left that company in 2007 over a major legal dispute. He then sat on the executive board of Peek & Cloppenburg until 2009.