Here are some female founders to watch. They are also the Chief Operating Officers at their startups! Check them out:
Elena Haliczer (Co-Founder & COO, Adaptive Semantics)
Elena’s startup Adaptive Semantics was acquired by the Huffington Post in June 2010. Follow Elena on her Twitter @elliesemantic and on Tumblr as startupgirl!

Laney Whitcanack (Co-Founder & COO, Big Tent)
Laney previously co-founded The Princess Project. Laney currently serves as COO of Big Tent, a women-led startup funded by Mohr Davidow and Menlo Ventures. Check out their team here!

Christine Lemke (Co-Founder & COO, Sense Networks)
Christine is an early-stage startupper. Prior to Sense Networks, she co-founded Channel Velocity and was the first employee at Returns Online. Follow Christine on her Twitter @cklemke!

Dina Kaplan (Co-Founder & COO,
Dina oversees industry marketing, public relations, finance, key partnerships and human resources for Follow Dina on Twitter @dinakaplan and on Tumblr as dinakaplan!

Susan Coelius-Keplinger (Co-Founder & COO, Triggit)
Susan co-founded Triggit, a venture-funded online advertising technology company. Follow Susan on Twitter @sueck!

Do you know more female founders of startups that are currently serving as COO? Let us know in the comments below.