Lisa A. Rossbacher is an American scientist, writer and academic administrator. She is the president emerita of Southern Polytechnic State University and the outgoing President of Humboldt State University. She served as president of Southern Polytechnic State University from August 1998 to June 30, 2014. A geologist, writer, professor, former Vice Chancellor of the University System of Georgia, and community leader, she is also a past Chair of Metro Atlanta's Cobb Chamber of Commerce, an author of several books on geology, and a Geotimes Magazine columnist.