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About the Speakers


Charlie Harris, PhD is an Associate Professor of Psychology and Licensed Psychologist at Clayton State University. She earned her Bachelor of Arts degree in Psychology from the University of Kansas and earned her master’s degree and doctorate in Clinical Psychology from the University of Miami. Dr. Harris has over 25 years of experience in higher education. She has been instrumental in training both undergraduate and graduate students and mentoring junior faculty. She expanded her skills in instructional pedagogy when she was selected as one of the prestigious Governor’s Teachers Fellows during 2019-2020. Dr. Harris conducts research on psychosocial factors influencing Black women’s health and maintains a part-time private practice.


Dr. Samuel J. Maddox earned his Bachelor of Arts in Psychology from Morehouse College and went on to earn his Doctorate in Clinical-Community Psychology from the University of South Carolina. Dr. Maddox provides school and community-based services through consultation and program evaluation to promote positive growth in the individual and the community as whole. Dr. Maddox works diligently to integrate research, teaching and community engagement into his therapeutic practice.


Maria Vita has been teaching psychology for twenty-one years at Penn Manor High School in Millersville, Pennsylvania. She started the AP program at her school and has expanded it, requiring additional staff. She has maintained a laboratory with live rats for ethical research in learning. She was the American Psychological Association's TOPSS Committee chair in 2018. She has participated in the AP Reading annually since 2011. She was honored to get the APA TOPSS Excellence in Teaching Award in 2012; she was named a finalist in 2019 for Pennsylvania State Teacher of the Year; and she was a recipient of the 2023 Society for the Teaching of Psychology Mary Margaret Moffett Memorial Teaching Excellence Award.


Misha Greer is an experienced educator with 20 years of experience in homeschool, middle school, and highschool environments. She received her Bachelor of Arts degree in 7-12 Education from Georgia State University in 2002. In her current position at Landmark Christian School she has served in diverse teaching and leadership roles, including middle and high school English and Journalism teacher, Bible teacher and Health teacher. She served as Physical Education Department Chair. More recently, she has broadened her teaching portfolio to include AP Psychology, which she has been teaching for over four years.