Since October 2015 Andreas Hammer is the Chairman of the Tesat-Spacecom Executive Board. From July 2014 to September 2015 he served as Chief of Staff and Senior Vice President Corporate Secretary at Airbus Defence & Space. Before that, from October 2012 to July 2014, he lead as Senior Vice President the central staff functions and the Chief Executive Office at Cassidian.

In 1985 his career started in the army. In 1996 he is company commander of the Radio Company of the Army Forces Command of the Armed Forces. In 1998 he visited the General Staff Course of the Army at the Staff College, he closes 2000 as General Staff Officer. In 2002 he left the army in the rank of lieutenant colonel in the General Staff and joins the private sector. This is followed by positions at PriceWaterhouseCoopers and IBM before he works first time in 2005 for the EADS - later Airbus Group.