"The Constitution gives you the right to vote, and therefore, so long as you are a Malaysian citizen, you should have the right to vote," said Ms. Leong, 44, who is on the board of trustees of My Overseas Vote, an advocacy group established in London in 2010.
He was the vice chair of the Institute of Fundraising for six years and was a trustee of Hope and Homes for Children, an overseas charity, for nine.
The settlement ends a bankruptcy trustee's four-year search through a maze of overseas trusts, foundations and companies that the authorities say Mr. Brennan created to hide his assets.
Its CEO Anna Feuchtwang said: "Like many other [INGOs] we have a hierarchical structure with strategic decisions taken in the UK, approved by a board of British trustees which are then implemented through liaison offices overseas who deliver programmes.
Mr. Freeh, a former director of the Federal Bureau of Investigation, said he sought to settle with both the trustee for MF Global's brokerage arm, James W. Giddens, and an overseas administrator tending to the firm's British unit.
So far, the trustee has sued about a dozen entities and individuals, including overseas hedge funds, seeking about $14 billion in assets that were withdrawn from the Madoff firm before its collapse.
For one, Mr. Giddens late last year made peace with an overseas administrator tending to the firm's British unit and Louis J. Freeh, the MF Global trustee recovering money for creditors.
The revised figure reflects growing concerns that the trustee will not be able to claw back $700 million in customer money trapped overseas.
The pact also allowed Mr. Giddens to make peace with an overseas administrator tending to the firm's British unit, who agreed to dole out up to $600 million to the trustee.
