The married father of three took millions of pounds of investors' funds, promising to invest the money in lucrative rights-issue releases from companies such as HSBC, Lloyds TSB, and the mining companies Xstrata and Rio Tinto.

BBC: Nicholas Levene

These include some of the world's leading companies, such as BMW, Lloyds, Nestle, Philips and Shell, as well as US government departments and the UK's Parliament.

BBC: Profile: Autonomy

Trevisani has traditional large-cap holdings like British insurer Lloyds TSB Group and Swiss bank UBS. Yet she also looks for smaller, undervalued companies with growth or the potential for it--something the buyout titans are beginning to do, too.

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