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The Wall Street regulator who oversaw and closed some of the most prominent investigations into the financial crisis announced his departure from the Securities and Exchange Commission on Friday, a move that could portend a subtle shift in the agency’s enforcement agenda.
George Canellos, who was co-chief of enforcement at the SEC, will leave after a tenure that spanned one of the most significant periods in the agency’s 80-year history. Canellos joined in the wake of the 2008 crisis, after the agency’s failure to detect Bernard L. Madoff’s Ponzi scheme made it a symbol of regulatory incompetence.