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Group One Trading, LP
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John Kinahan
Chief Executive Officer
Michael X. Palmer
Managing Director And VIX Options Specialist
Chuck McCarthy
Head AMEX Specialist
Chad Grosam
Chief Financial Officer
David McKenzie
Managing Director And Senior Developer
+ 9 more
Jamie Tyrrell
Trader, VIX DPM
Robert Hain
Senior Trader
October, 2003 - present