Complex sentence: Since leaving the Presidency, he has been a senator for Amapá, being the President of the Senate of Brazil from 1995 to 1997,2003 to 2005,2009 to 2011 and again he was re-elected President of the Senate for the 2011-2013 term.
Split into simpler sentences: Since leaving the Presidency, he has been a senator for Amapá, being the President of the Senate of Brazil from 1995 to 1997 and from 2003 to 2005. In 2011 he was re-elected President of the Senate for the 2011-2013 term.