Wynn also has been finance chair of the campaigns of Senator Jim DeMint.

In 2007, Singer led a financial industry fund-raising effort for Rudolph Giuliani, first as regional finance chair and later as senior policy adviser.

As finance chair, he was sometimes critical of demands for police spending.

Volunteers swarmed Obama campaign offices in almost every state, and placed calls to the finance chair of the Democratic National Committee.

He also worked as the finance chair of his church organization for seven years.

As finance chair for Bush's campaign, he set a fund-raising record of more than $190 million.

"I am shocked and saddened by the startling events which caused the resignation of my finance chair," the Mayor said at Gracie Mansion.

"His selection as finance chair in the 1982 campaign - and all subsequent Clinton re-election campaigns - was one of the smartest decisions Clinton made."

He also served as finance chair for the Bush-Quayle campaign of 1988.

You could be finance chair one day, or speaker, or chair of the Land Use Committee."