Marina Robertson Marina Robertson has served as the Executive Director for the Pettit Preserve since December 2009. A graduate of Berry College (B.A.) and the University of Georgia (MSW), Marina has worked in nonprofit management in Cartersville for over 25 years, including service with the Good Neighbor Homeless Shelter and Bartow County Habitat for Humanity. Marina also served as a Southeast Region/Northwest GA Trainer for Habitat for Humanity International and is a 2011 graduate of Leadership Bartow. Marina’s love of nature and conservation ethic started as a child. Growing up, family vacations were always a two-week camping trip, usually to Maine, but also the Midwest and eastern Canada. In 1970, Marina’s school participated in the first Earth Day, cleaning up trash in city streets and alleys, which left a lasting impression about the importance of environmental stewardship.