FinanceTrends
Founder/Editor of the blog, Finance Trends Matter. A trader's view of global markets and trends. Follow the money.

OptionsHawk
Active Options Trader - OptionsHawk.com Founder

Ritholtz
http://www.ritholtz.com/blog/barry-ritholtz-curriculum-vitae/

abnormalreturns
Tadas Viskanta, Founder and Editor of Abnormal Returns. Author of Abnormal Returns: Winning Strategies from the Frontlines of the Investment Blogosphere.

edwardnh
Founder of Credit Writedowns, finance blogger, former credit guy, ex-tech exec

IPOtweet
Founded in 1991, Renaissance Capital is the global leader in providing institutional IPO research. The Firm maintains the FTSE Renaissance IPO Index Series and provides IPO-focused investment management services as advisor to the Global IPO Fund.