Spencer worked as an on-air correspondent with
NBC News from 1986 to 1995, primarily for the network's morning programme,
Today, and
NBC Nightly News. He wrote and presented the 12-part documentary series
Great Houses of the World (1994–1995) for
NBC Super Channel. He also worked as a reporter for
Granada Television from 1991 to 1993. Spencer has written several book reviews for
The Guardian and
The Independent on Sunday as well as feature stories for
The Guardian,
The Daily Telegraph,
The Sunday Telegraph and American publications such as
Vanity Fair,
Verandah and
Nest. Upon his father's death on 29 March 1992, 27-year-old Spencer succeeded as 9th
Earl Spencer, 9th Viscount Althorp, 9th Viscount Spencer of Althorp, 9th Baron Spencer of Althorp, and 4th Viscount Althorp. He also inherited
Althorp, the family's ancestral seat in
Northamptonshire. Since 2009, he has restored Althorp, re-roofing it and restoring its entire exterior for the first time since the 1780s. He has also helped establish Althorp Living History, a handmade fine-furniture line reproducing pieces from the collection at Althorp. The Spencer family's wealth derived from their profitable sheep farming in the
Tudor era. On 31 August 1997, his older sister Diana
died after a car crash in Paris and Spencer delivered the eulogy at
her funeral service held at
Westminster Abbey six days later. In his eulogy he rebuked both
Britain's royal family and the press for their treatment of his sister. Spencer ruled out
conspiracy theories concerning his sister's death, and called the alleged letter she wrote 10 months before her death in which she discussed her fears of a planned accident "just a bizarre coincidence rather than tied in with reality." Spencer received an apology from
Tim Davie, the BBC's director general, in late 2020 for the unethical practices used by
BBC staff to gain his sister's consent to be interviewed in November 1995 for the corporation's
Panorama television programme. Former BBC chairman
Michael Grade said a full inquiry should be conducted, which Davie has said will happen. Spencer was a member of the
House of Lords from 29 March 1992 (the day his father died and he inherited the peerage) until the
House of Lords Act 1999 excluded most
hereditary peers on 11 November 1999. On several occasions, Spencer has been accused of refusing to allow his sister Diana to live in a cottage on the Althorp estate, despite her request at the height of her emotional difficulties. These allegations have repeatedly been proven to be untrue, as seen in an apology published by
The Times in 2021, admitting that "having considered his sister's safety, and in line with police advice, the Earl offered the Princess of Wales a number of properties included
Wormleighton Manor (in
Warwickshire), the Spencer family's original ancestral home". Diana was buried on an island in a lake on Spencer's ancestral estate, Althorp, where he built a garden temple memorial and a museum to her memory, displaying her wedding dress and other personal effects. The museum was opened to the public in 1998 with all profits going to Diana's Memorial Fund, also set up by Spencer; the museum has since closed. At this stage, Spencer began writing a series of books dealing with the estate itself and with his family history, beginning with an account of his ancestral home,
Althorp: the Story of an English House, published in 1998. In 2003, Spencer founded the Althorp Literary Festival. Speakers at the annual event have included the authors
Bill Bryson,
Helen Fielding,
Antonia Fraser, and
Boris Johnson. In 2004, he presented two documentaries for the
History Channel on
Blenheim: Battle for Europe. Spencer was appointed a
Deputy Lieutenant of
Northamptonshire in November 2005; the Spencer family have had a long association with the county, the home of the family seat. Spencer is also a patron of the
Northamptonshire County Cricket Club. In 2021, Spencer authored an audiovisual walking tour for
St. James's Park about the execution of
Charles I entitled
Death of a King: The Path to Execution on the BARD
EUM mobile app. In 2023, he began presenting the podcast
The Rabbit Hole Detectives with
Richard Coles and
Cat Jarman, in which each of them is given an obscure topic and they then discuss their findings. In May 2025, Spencer joined the panel of ITV's
Loose Men, a male version of the channel's
Loose Women programme. ==Personal life==