Jefferies Financial said its own exposure to First Brands is limited to roughly $45 million. - Jeenah Moon/Bloomberg News Patrick James, the chief executive of bankrupt auto-parts supplier First Brands, has resigned his position after accounting irregularities came to light. James led the company through a rapid expansion in recent years and used debt to accumulate 25 automotive-parts suppliers. First Brands collapsed into bankruptcy in late September with$10 billion in debt. New directors have said the ...