Simplify the following text for a Grade 8 native English-speaking person.
Original: Peter Benjamin Mandelson , Baron Mandelson , PC ( born 21 October 1953 ) is a British Labor Party politician who was the Member of Parliament ( MP ) for Hartlepool from 1992 to 2004 , served in a number of Cabinet positions under both Tony Blair and Gordon Brown , and was a European Commissioner .
Simplified: Lord Mandelson , Peter Benjamin Mandelson , ( born 21 October 1953 ) is a British politician for the Labor Party . He helped to found the so-called ` New Labor ' with Tony Blair and Gordon Brown .