K. Renae Pullen has been an educator for over 20 years. She is the recipient of the 2008 Presidential Award for Excellence in Science Teaching for Louisiana. Currently, she is a science specialist for Caddo Parish Public Schools in Shreveport, Louisiana. Besides being dedicated science educator, Ms. Pullen has served on several local, state, and national committees as well as presented at numerous workshops and conferences. You can follow her on Twitter.