1967
Studies of Economics at the University of Vienna

1969
Reporter for major Austrian newspapers: „Neue Zeitung“, „Express“ and „Kronen Zeitung“
Also TV engagement for Austrian Television Network ORF

1972
Political Editor and columnist for Austria’s most widely circulated newspaper 
„Kronen Zeitung“

1977
Head of the Office of Mayor in Vienna under the Honorable Mayor Leopold Gratz

1979
Director of Public Relations and Campaign Manager to Austrian Chancellor 
Dr. Bruno Kreisky

1984
Consultant to „Kronen Zeitung“ owner Hans Dichand and Director of RTL Bureau in Austria

1986
Head of Vienna office of the largest German magazine „Stern“

1989-1994
General Manager of „Kronen Zeitung“

1994-2004
President News and Sports at RTL Television, Germany’s largest private Television Network

1999
Appointed Professor for his professional career

1999-2004
Deputy CEO of RTL Television, Germany
Responsible for news, magazines and sports

2000-2002
CEO of RTL NEWMEDIA, RTL’s new media Company

2002-2005
Executive Co-ordinator for Group Synergies, RTL Group

2005-2006
Premiere AG (later Sky), Member of the Executive Board, Sports and New Business

since 2006 
Founding of mahrmedia, media consulting, in Cologne and Vienna

Senior Advisor to RTL Group CEE, Member of the Management Committee RTL Group (till 2012)

Senior Advisor to AD Little for Media and Telecommunication

Consultant for Media and Telecommunication Companies in Germany, Switzerland, Austria, France, CEE countries & Russia, China.