The former British prime minister, John Major, has joined the Swiss investment bank, Credit Suisse First Boston, as a part-time senior adviser.
CSFB hopes that Major, who is leaving British politics after next week's general election, will be able to attract new clients and keep existing ones.
"We are very much looking forward to having him play an active role in advising us and some of our clients," said John Nelson, chairman of CSFB Europe.
"I am delighted to take on this advisory role," said Major, "and look forward to helping sustain the momentum that has led to CSFB emerging as one of the truly global investment banks."
Major succeeded Margaret Thatcher as British prime minister in 1990 and managed to win a surprise fourth consecutive election win for the centre-right Conservative party in 1992.
He was then swept out of office in Labour's landslide in 1997.
Major also served as Britain's finance minister under Thatcher and was a banking executive before he entered politics.
swissinfo with agencies
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