Catrina Dierke, M.B.A, Executive Director, holds a Masters in Business with a focus in Strategic Leadership.  She lives in Sebastopol with her husband and children.  She is passionate about helping others reach their full potential and values the opportunity to help young girls become strong women.  Running and other sports have been a part of her life since childhood.  Currently Catrina's been spending her time cycling around Sonoma County and running to keep up with her three energetic kids. 

Erin Devincenzi, Program Coordinator, is the mother of three children. She is a graduate from the University of California, Santa Barbara, and has a teaching credential from Dominican College. She was a first and second grade teacher for 11 years. She started running after her second child was born and ran her first marathon before her third child. She has completed a marathon a year since 2000 and has participated in many triathlons. She has coached her daughter's soccer team and enjoys watching all the various sports her children are involved in. She is grateful for the chance to work with young girls and share her love and enthusiasm for running and healthy living. 

Shelli Main, Race Director, is a fifth generation Sonoma County Resident. She is the mother of three college aged children who inspired her to go back to school recently and complete her AA degree in Social and Behavioral Sciences. Shelli has been quite active in athletics most of her life and found a love for running many years ago, which led to completing five marathons, twice qualifying for and running in the Boston Marathon. She and her husband keep busy competing in numerous distance events all over Northern California and sometimes beyond. Her first experience with Girls on the Run was as a running buddy and then coach, eventually adopting the name "Coach Shell Bell".