Mark Ingebretsen
Oil & Energy WriterMark Ingebretsen has been writing about business and finance for more than 30 years. His columns have appeared on TheStreet.com and the Online Wall Street Journal. And he’s been a regular contributor to IEEE technology publications. Ingebretsen is the author of three books, including Nasdaq: A history of the Market that Changed the World, and The Guts and Glory of Day Trading, now in its second printing.