Colonel Neumann began his military career in 1975 as an Officer Cadet of the German Army NBC Defense Corps. From 1975-1981 he completed his Officers Course and graduated from University with a degree in Computer Sciences. From 1981-1986 he was platoon leader of the NBC Defense Platoon in Emden and Company Commander of a NBC Defense Company in Bruchsal. From 1986-1987 he was appointed Chief of a Training Inspectorate at the NBC Defense and Self-Protection School in Sonthofen. From 1987-1991 he was Company Commander of the HQ Company 7 (GE) Panzer Division in Unna. From 1991-1994 he was desk officer for NBC defense training at the Army Office in Cologne. From 1994-1996 he commanded NBC Defense Battalion 110 in Emden. From 1997-2003 he held various assignments in the field of NBC defense and Protection issues at the Federal Ministry of Defense. From 2003-2005 Col. Neumann was Branch Chief of the Environmental and Occupational Health and Safety Branch in the CBRN Defense und Protection Issues Division of the Federal Armed Forces Joint Support Command in Cologne. In 2004 Col. Neumann was appointed Deputy Brigade Commander of NBC Defense Brigade 100 in Bruchsal. In this period, he was Commander of NATO’s CBRN Joint Assessment Team during the NFR 4 rotation. Since 2006 Col. Neumann has been appointed Branch Chief of the CBRN Defense, Fire Fighting and Self Protection Branch in the CBRN Defense und Protection Issues Division of the Federal Armed Forces Joint Support Command in Cologne. Col. Neumann was Chairman of the CBRN Defense Training Working Group (NTG/JSSG) from 2008-2010. In 2008 and 2009 he chaired the EDA Project Team CBRN Detection, Identification and Monitoring; in 2009 he was elected chairman of the BIO EDEP Program Preparation Group. From 2010 Col. Neumann was the Commander of German Forces in Kabul and the Liaison Officer between the German and the Afghan MoD. In 2012, he returned to the Joint Support Command, inter alia as Chief of Staff; additionally, he was appointed Commissioner for the Establishment of the Bundeswehr CBRN Defense Command. On 23 April 2013, Col. Neumann took over command of the Bundeswehr CBRN Defense Command in Bruchsal and remained 5 ½ years in this position. In this period, he reorganized the entire CBRN defense of the Bundeswehr, provided the framework for NATO’s Combined Joint CBRN Defense Task Force in 2015 and 2018 and planned, prepared and established the cluster CBRN Protection in the Framework Nations Concept.
30th September 2018, Col Neumann retired from the Bundeswehr and founded a company to provide Strategic, Policy, and Information Technology Consultancy and Services. His current projects mainly address Digitalization of military capabilities.