- Commercial vocational training
- Professional activity in various institutions, especially in labour unions (1970 - 1985)
- Study of law at Ruhr University Bochum
- Attorney since 1994
Field of law
- Labour law (individual employment law, collective labour law)
- Civil law
- Legal affairs of freelancers in the media industry
Attorney Baumgart regularly offers training courses to works councils on all questions of works council law and individual labour law.
Attorney Baumgart was included in the “Focus” list of “Germany’s top employment lawyers” for Berlin four times to date: Focus-Spezial Oktober/ November 2017, Focus-Spezial Oktober/ November 2016, Focus-Spezial Oktober/ November 2015, Focus-Spezial Oktober/ November 2014.
- "Die Geschäftsführung des Betriebsrates", Publisher Gemeinnützige hbv-KBV mbH Kommunikations-, Bildungs- und Verlagsgesellschaft, Düsseldorf, May 1998, 2nd edition 2001