Maryann Keller, one of the first women on Wall Street to cover the auto industry and later a widely respected consultant who became a formidable critic of management at Detroit's automakers, died on Thursday. She was 78.
The Office of the Chief Medical Examiner of Connecticut confirmed her death.
Keller, routinely the No. 1 auto analyst in Institutional Investor's widely watched ranking of the top stock pickers at leading brokerage houses, wielded enormous clout and influence over boardrooms and showrooms. Her books, meticulously reported with unprecedented access to company insiders, became must-reads for dealers, suppliers, journalists and anyone else who desired to go behind the scenes.