Leibinger-Kammüller worked in different executive positions for Trumpf, starting in 1984 in the press and public relations department. She worked for Trumpf in Japan for two years, and became managing director of the Berthold Leibinger Foundation in 1992. She was made executive vice-president of Trumpf in 2003, and president and a director of the main board in 2005. Her responsibilities encompass corporate strategy, corporate communications and real estate and facilities.