*Natenberg, Sheldon: *-Sheldon Natenberg has been working in options for more than three decades, initially as an independent floor trader at the Chicago Board Options Exchange and the Chicago Board of Trade, and later as an educator, conducting seminars for option traders at major exchanges and pro...

*Natenberg, Sheldon: *-Sheldon Natenberg has been working in options for more than three decades, initially as an independent floor trader at the Chicago Board Options Exchange and the Chicago Board of Trade, and later as an educator, conducting seminars for option traders at major exchanges and professional trading firms in the United States, Europe, and the Far East.