After studying business administration at the University of Mannheim, Germany, Christian Geißler worked at Pfleiderer Dämmstofftechnik International GmbH. From 2003 to 2006 he worked at URSA Deutschland GmbH, an insulation material manufacturer, where he was responsible for the Business Unit Central West as Authorized Signatory and CFO. In 2007 he joined the Voith Group. Initially, Christian Geißler worked as CFO for Voith Hydro in Canada. From 2011 to 2013 he worked as CFO for Voith Hydro in the USA. In April 2013 he became CFO of the Automotive Division at Voith Industrial Services.
On May 1, 2015 he joined the Board of Management of Voith Industrial Services and has been the CFO of the Leadec Board of Management since the sale of Voith Industrial Services.