harmongreg
Premium Service and free blog at Dragonflycap.com, Professional Stock and Option trader, long time finance guy - Stock loan, repo, swaps, options as well

howardlindzon
Founder and CEO of Stocktwits, Founder of Wallstrip (Acquired by CBS), Managing Member of Lindzon Capital Partners (Hedge Fund) and Managing Member of Social Leverage (an early stage web holding company) ...I have lot's of ideas. Toronto boy.

RMBrenna
Experienced derivatives professional on the Chicago trading floors.