Simplify the following text for a Grade 9 native English-speaking person.
Original: He subsequently served as Foreign Minister ( 2005 â `` 2009 ) and Vice Chancellor ( 2007 â `` 2009 ) in the grand coalition government of Angela Merkel .
Simplified: In 2005 , he became the new Foreign Minister of Germany in the coalition cabinet of Angela Merkel . He became Vice Chancellor of Germany in 2007 .