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

1nvestor
Public and private equity investor for over 20 years. In addition, entrepreneur experience in over 10 startups - including as a founder in 5. Partner in Presidium Capital.

KeithMcCullough

WallStreetBean
Master of the BeanScreen. Roll tide.

bearcharts

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

RatioTrader
Trader and Founder of RatioTrading.com

OptionsHawk
Active Options Trader - OptionsHawk.com Founder

gtotoy
DayTraderBootCamp.Com

The_Real_Fly
And just like that...he reappears.

retail_guru
Global consumer & retail fund manager for sixteen years in NYC, London, Singapore. All things from cars to handbags & soda to smokes

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.

jfahmy

ivanhoff
Founder of Ivanhoff Capital, Head Trader at LCP, Head of Research and Editor at StockTwits50.com, Co-Author of The StockTwits Edge - 40 Actionable Setups from Real Market Pros

bclund
Co-Founder of Ditto Trade, a licensed broker dealer and EVP of Ditto Holdings, Inc. I write about the intersection of markets, trading, and life on my blog.

JimCramer
I am co-founder and chairman of TheStreet. I run the charitable trust portfolio, Action Alerts PLUS, and host CNBC's Mad Money television program.

OptionsCommander
Everything we hear is an opinion, not a fact. Everything we see is a perspective, not the truth. ~ Marcus Aurelius www.optionscommander.com/chat/ optionscommander@gmail.com

stevenplace
Professional derivatives trader, focusing on equity options. Dabble in forex, futures, and tulip bulb swaps.

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

paulwoll