After completing his PhD, Kleber became a journalist and worked during the 1980s as a Washington correspondent for Deutschlandfunk (DLF), a German public broadcaster.
In the spring of 1989, Kleber returned to Germany as Chief Editor of RIAS, a major broadcaster in  Berlin under the control of the United States Information Agency.

From 1990 he worked for 12 years as Senior Correspondent and Bureau Chief for ARD, one of the two nationwide German public television networks.
There he got interviews with all US Presidents in that period.
Donald Rumsfeld and Colin Powell.
In June 2002, Kleber moved as ARD Bureau Chief to London.

A few months into the new job, he received an offer to become managing editor and principal anchor of heute journal, the 30 minute late evening news show of ZDF, the other public television channel beside the ARD.
one of Germany's leading television news programs.
In 2014, he interviewed US President Barack Obama.
After completing his PhD, Kleber became a journalist and worked during the 1980s as a Washington correspondent for Deutschlandfunk (DLF), a German public broadcaster. In the spring of 1989, Kleber returned to Germany as Chief Editor of RIAS, a major broadcaster in  Berlin under the control of the United States Information Agency. 
From 1990 he worked for 12 years as Senior Correspondent and Bureau Chief for ARD, one of the two nationwide German public television networks. There he got interviews with all US Presidents in that period. Donald Rumsfeld and Colin Powell. In June 2002, Kleber moved as ARD Bureau Chief to London. 
A few months into the new job, he received an offer to become managing editor and principal anchor of heute journal, the 30 minute late evening news show of ZDF, the other public television channel beside the ARD. one of Germany's leading television news programs. In 2014, he interviewed US President Barack Obama.
Claus Kleber