He grow up in Heilbronn and attended the local Justinus-Kerner-Gymnasium. He then studied English Literature and German in Heidelberg. In the early 1980s Roth graduated as volunteer at the South German Radio and presented on the radio program SDR 3 the youth program Point . From 1988 to 1991 Thomas Roth was ARD - Correspondent and studio manager in Johannesburg, then he worked in the ARD studio in Moscow. In 1995 he was the radio director of the WDR, before returning in 1998 for four years as a studio manager to Moscow. On 1 May 2002 Thomas Roth took over the post as moderator and chief editor of the ARD studio in Berlin. From 1 April 2007, he was again head of ARD Studio Moscow. From December 2008 until the summer of 2013 he was head of ARD studio in New York City.
Thomas Roth is a member of the organization Reporters Without Borders and held in the Berlin Academy of Arts on September 25, 2014, a speech on the 20th anniversary of the founding of the German section of the organization.