John N. Frank profiles 22 people who should be on the speed dial in a crisis

For a list of honorable mentions, click here.

For a list of the experts' experts, click here.

Chris Atkins

Managing director

Global corporate practice,

Ogilvy Public Relations Worldwide, New York

Years in crisis work: 20

Crisis Assignments: The New York Stock Exchange (NYSE) - the departure of chair-man and CEO Dick Grasso; the NYSE's response to 9/11; FedEx Flight 14 crash at Newark Airport; Lloyds of London US ...