Who is Jamie Dimon from Too Big to Fail: The Inside Story of How Wall Street and Washington Fought to Save the FinancialSystem--and Themselves and what is their importance?

Jamie Dimon was the CEO of JP Morgan, one of Wall Street's largest banks. It was Dimon's firm that agreed to purchase the failing Bear Stearns with a guarantee from the government of up to $29 billion in losses. This was the first of the "bailouts" that Sorkin chronicles in his book. Following this deal, others approached the government looking for what they referred to as "Jamie" deals.