Dr. Grant Rivera
Dr. Grant Rivera is a career educator committed to serving every child and supporting every family. He believes great schools and communities are built on the combined talents of talented educators and an engaged community. He serves as the Chief of Staff for the Cobb County School District, which has 112 schools and over 111,000 students. He was a principal for nine years at three high schools: South Cobb High School in Austell (2005-2009), Campbell High School in Smyrna (2009-2011), and Westlake High School in south Fulton County (2011-2014). Prior to being appointed principal, Grant held positions as a high school assistant principal, special education teacher, and coach in the Cobb County School District.
Grant received his bachelor’s degree in education and social policy from Northwestern University and a master’s degree in special education from the University of Alabama. He holds a Doctorate of Education from the University of Alabama, with an emphasis in school law. Grant has been associated with numerous professional development activities in the area of school law, school law enforcement officer research, and special education law.
He also served as adjunct professor of educational law at the University of West Georgia. Grant has worked with school districts around the country as a consultant and practitioner for school improvement and family engagement. Grant and his wife, Jenn, have two daughters - Lauren (3) and Reese (1).
Dr. Dayton Hibbs
Dr. Dayton Hibbs brings classroom experience as an elementary grades teacher in Florida, eight years direct administrative experience at the elementary, middle and high school level, as well as expertise in the areas of start-up charter school administration, educational technology, and curriculum development. He joined Marietta City Schools in 2005 as an assistant principal at Marietta High School. In 2006, Hibbs became Principal of Marietta Center for Advanced Academics (MCAA). After two years at MCAA, he was named Principal at Marietta Sixth Grade Academy (MSGA) where he successfully served for 3 years. He then served for one year as Assistant Superintendent for Operations, Technology, and Assessment before being named Associate Superintendent in 2012.
A graduate from Seton Hall University, Hibbs earned a Doctorate in Education at that institution. He also holds a Master of Science in Educational Technology from Nova Southeastern University, and he completed a certificate program in Educational Leadership and Supervision with an Emphasis in Curriculum Development at Florida Atlantic University where he initially earned his Bachelor of Arts in Elementary Education.
Phone: (770) 422-3500, ext. 7268
Assistant Superintendent for Special Services
Drum brings 28 years of experience in Special Education. She started her career as a special education teacher in Broward County, Florida. After moving to Georgia, she taught at Dickerson Middle School and then at Hightower Trail Middle School. Her passion for educating students with disabilities led her to become an educational diagnostician and eventually a leader in the field– first as a special education supervisor and then as a director of special education.
A graduate of North Georgia College and University, Drum earned a Master of Education in Special Education at that institute, and a Specialist degree in Educational Leadership at Georgia State University.
Phone: (770) 422-3500, ext. 7238
Assistant Superintendent of
Human Capital and Development
Nathifa Carmichael brings 17 years of expertise in education, including six in human resources, four as a special education department administrator and teacher coach, and seven years as a classroom teacher. She successfully developed Fulton County Schools’ first alternative teacher certification program and Teacher Selection Model (TSM) to identify quality teacher applicants. In addition, she managed the performance evaluation system for non-instructional employees and developed a comprehensive teacher induction program. She was awarded the Georgia Association of School Personnel Administrator (GASPA) Best in Class Platinum Award and is a former Fulton County Schools districtwide Teacher of the Year. Her success is recognized nationally as programs she has led were featured in various publications. Carmichael applies her deep commitment to student success through transformational leadership in professional learning, talent management, and human resource management.
Originally from West Palm Beach, Florida; Carmichael received her Bachelors of English and Masters in Education degrees from Emory University. She lives in Marietta with her husband and daughter.
Phone: (770) 422-3500, ext. 7262