BRIEF-Northern Power says Ciel Caldwell to assume leadership of Co
Aug 10 (Reuters) - Northern Power Systems Corp
* Says Troy Patton will no longer be chief executive officer, effective immediately
* Says Ciel Caldwell will assume leadership of Northern Power as president and chief operating officer
* Says Troy Patton will remain a member of company's board of directors
* As part of transition board has decided to eliminate office of chief executive and form office of president and COO Source text for Eikon: Further company coverage:
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