After his Abitur in 1979, he studied Theology in Berlin. In 1986 he completed his study and was from 1988 to 1990 pastor in Christinendorf.
Private life
He took a break from studying in 1982/1983 to do an apprenticeship as cabinetmaker. Reiche is married and has three daughters. Political career
After the merger of the Social Democratic Party with the West German Social Democratic Party of Germany, Reiche until 2000 was chairman of the Social Democratic Party of Germany in Brandenburg.
In this time he was from 1994 to 1999 Ministry of Science, Research and Culture and from 1999 to 2004 Ministry of Education, Youth and Sport.
Reiche co-founded the Social Democratic Party of East Germany (Social Democratic Party) in 1989, during the political process of the change ("Wende") 1989/90 that led to German Reunification. He was member of the party executive committee.
Also he was member of the first free voted People"s Chamber of East Germany, from March 1990 until the German Reunification at Octobre 3, 1990. From 1990 until his resignation in 2005 he was member of the Landtag of Brandenburg. From 2005 to 2009, Reiche was a member of the German parliament, the Bundestag, representing Cottbus – Spree-Neißest
He also served as a member of the Parliamentary group board of the Social Democratic Party of Germany.