BlueFielder
62% Water - I know a guy who knows a guy

Woodshedder
Avid system trader and designer...

StockTiger
Stock market Technical trader - publisher stock market website, comprehensive weekly newsletter - daily video of break out or break down stocks. Site has live chat room with experienced traders. Twitter - http://twitter.com/stocktiger

PeterLBrandt
Peter L Brandt. Classical chart trader since 1981. Author, #1 book, Diary of a Professional Commodity Trader. Trading real markets with real money in real time.

LDrogen
Founder and CEO of Estimize, CIO of Surfview Capital, Formerly StockTwits Product and Biz Dev, hockey player, surfer, grill master

nickfenton
TickerTank.com founder. My primary source of income is Options trading. Complimenting logical assumptions with proper strategy is my method of trading. I track weighted average portfolio probability of success regularly...P&L far less often.

XTB_Portugal

adamfeuerstein
I am a senior columnist at TheStreet, covering the biotechnology and drug sectors.

BioDueDiligence
Professional scientific skeptic and biotech/pharma commentator. Follow my writing on BiotechDueDiligence, HSP90 Central, SeekingAlpha, Chimera Research Group

EXPstocktrader

Estimize
The New Standard For Earnings Estimates

TradingPub
Trade well and do good!

kunal00
Owner/Portfolio Manager at BULLS on WALL STREET .

BiotechtraderHB
Former Prop Trader with major European Bank -- Author of “The Biotech Trader Handbook” (available on Amazon.com) -- Now full-time independent trader

mb_willoughby
Follow me on twitter @mb_willoughby

BioRunUp
Biotech trader and Columnist at TheStreet utilizing long, short & options based strategies to maintain consistent gains in any market. Come trade with BioRunUp!

Mahmissa
Mama, trader, yogi, traveller

Legacy_Trades
Legacy Investments & Development, LP is a Family Office that actively trades the US markets.

vcutrader
trader - specialize in trading structured products, global equities, and options.....feel free to follow trades on twitter or here on stocktwits

OptionsHawk
Active Options Trader - OptionsHawk.com Founder