Peter Mandelson's Political Career and Controversial Downfall

The former ambassador, now under arrest, has had plenty of ups and downs in his career of more than 40 years in the Labour party. After a four-decade career that included some of the top jobs in politics, Peter Mandelson has undergone a spectacular fall from grace. The New Labour stalwart, who prominently re-entered the public eye in December 2024 after being appointed US ambassador by Keir Starmer, saw his already shaky reputation implode after the release of the Epstein files, which showed the relationship between the two men was closer than initially thought. But this is not Mandelson’s first brush with controversy – he was forced the resign twice in scandal while serving in Tony Blair’s cabinet.

Here is a timeline of his career ups and downs: After a brief stint as a Labour councillor in Lambeth from 1979 to 1982, Mandelson stood down and worked as a television producer. But, in 1985, he returned to politics after being appointed Labour’s director of communications by Neil Kinnock.

Mandelson faces his first major test after being appointed to run the party’s campaign for the Fulham byelection, where Labour’s candidate Nick Raynsford pulls off a shock win against the Conservatives.

After helming Labour’s communications at the 1987 general election, at which the party lost to Margaret Thatcher but gained 20 seats, Mandelson sought to sit as an MP himself. In March 1990 he resigned from his role after he was selected as the Labour candidate for Hartlepool, which was a safe seat at the time.

Mandelson is elected to parliament as the MP for Hartlepool at the 1992 general election, which Labour loses. While in the House of Commons, he forms friendships with Blair and Gordon Brown.

After Labour leader John Smith unexpectedly dies, Mandelson backs Blair to lead the party, which caused a rift between himself and Brown. Blair wins the leadership contest against John Prescott and Margaret Beckett.

After Labour’s landslide victory at the 1997 general election, Mandelson, who had been one of Blair’s most loyal supporters, was appointed as minister without portfolio.

Mandelson is promoted to trade and industry secretary under Blair’s first cabinet reshuffle. Columnist Matthew Parris reveals that Mandelson is gay during a live broadcast of Newsnight on BBC Two. Details about his Brazilian partner, Reinaldo Avila da Silva, are soon published by the media.

Mandelson is forced to resign as trade and industry secretary after details come to light about an undeclared, interest-free loan of £373,000 from his ministerial colleague Geoffrey Robinson to buy a home in Notting Hill. At the time, Robinson’s business dealings were being investigated by Mandelson’s own department.

After less than a year of political exile, Mandelson returns to government as Northern Ireland secretary.

Mandelson is forced to resign for a second time amid allegations that he attempted to help the Hinduja brothers with their application for British citizenship. They had made a £1m donation to the Millennium Dome, which Mandelson oversaw in his earlier minister without portfolio role.

Mandelson is re-elected as Hartlepool MP, where, at the election count, he declared himself “a fighter, not a quitter”.

After nearly a decade in parliament, Mandelson resigns his Hartlepool seat to take up the position of EU trade commissioner.

Mandelson returns to mainstream politics after being appointed business secretary by the then-prime minister Brown, an appointment made possible by being appointed to the House of Lords. After the recent revelations about Mandelson’s emails with Epstein, including allegations he leaked market sensitive information, Brown expressed his deep regret at the appointment.

Mandelson’s ministerial career comes to an end after Labour loses the 2010 general election. Ed Miliband was asked at a leadership hustings whether there was a place for him in his shadow cabinet. “All of us believe in dignity in retirement,” he replied.

In November, he founds a policy consultancy, Global Counsel, with Benjamin Wegg-Prosser. Its past clients have included the Qatari Free Zones Authority, the Chinese fast-fashion brand Shein and social media platform TikTok, owned by the Chinese company ByteDance.

Mandelson is appointed US ambassador by Keir Starmer. He had been a reportedly important part of the Starmer operation and maintained a particularly close relationship with his chief of staff, Morgan McSweeney.

After a batch of Epstein files are released, which showed emails from Mandelson to Epstein suggesting his 2008 conviction for soliciting a child for prostitution was wrongful and should be challenged, he was sacked as ambassador to the US.

This year more files were released that revealed Mandelson was passing information to the convicted sex offender while he was business secretary, including market-sensitive information that sparked the criminal investigation.

The news led to McSweeney quitting his role for advising the prime minister to appoint Mandelson. Global Council entered administration and on Monday Mandelson was arrested.