MacKenzie Sigalos is a Senior Producer for CNBC Digital, where she manages the production of daily video for CNBC's digital and social platforms.
Previously, she spent five years at CNN in New York and Hong Kong, where she had varied beats writing and producing for a range of TV business and news programs.
Sigalos graduated Magna Cum Laude from Harvard University and earned a distinction for her Masters dissertation at the University of Oxford.
Elizabeth Holmes announced in an open letter to 'stakeholders' of the decision.
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An 18-ounce gold nugget, estimated to be worth as much as $70k, was found in Jamestown, California by a miner.