Founding Team


Dr. Lisa Alexander Lead Teacher

Dr. Alexander brings a rich educational and experiential background to 21C, with undergraduate studies in Business and Biology, a BSc in Middle School Education, an M.Ed. in Reading, Language & Literacy and an Ed.D. in Educational Leadership. Lisa has taught at almost every grade level as well as serving as the science curriculum program specialist for Fulton County, providing support to over 90,000 students and 3,000 science teachers in 90 schools. At 21C Lisa will focus on Science and Language Arts, as well as leading a program to support students with Dyslexia (which is a personal passion for her).


Golda Rigaud Lead Teacher

Golda Rigaud has over 15 years’ experience as a certified early childhood educator in New Jersey and Georgia. Over the years, she has come to specialize in learning differences such as dyslexia, dyscalculia and dysgraphia and has devised her own multi-sensory pedagogy she coins the sound system. She has been instrumental in transforming well over one hundred students into thriving readers and writers, and most importantly, critical thinkers. She holds a Bachelor’s Degree in Anthropology and Psychology from Rutgers University, as well as an early childhood standard license in New Jersey which she obtained from completing an alternate route certification degree from New Jersey City University. Currently, she is certified in Georgia as an early childhood educator and is also certified in Orton-Gillingham. Golda received a gifted endorsement certification in talented and gifted from Valdosta University. She is excited to become a part of the 21st Century STEM Academy K-3 family.


Jennifer Narramore Boyanton Part-Time Learning Facilitator

Jennifer Narramore Boyanton has experience teaching students of many different ages. She has been a preschool teacher, a Pre-K teacher, as well as Art Teacher and Basic French Teacher to grades K-6. Jennifer has been an assistant for Special Education and has experience in differentiation as well as with individual learning plans. She attended the University of Georgia, where she studied English and French. Jennifer is an avid reader, writer, and artist. She loves to travel. She has been married to JC Boyanton for 21 years and has 3 children, ages 19, 15, and 9.


Valencia Johnson Learning Facilitator

Valencia brings a unique perspective to education. She has over ten years’ experience working as a teacher and guidance counselor in various school settings. Her experience includes working in preschool, elementary, middle and high school. She received her Bachelor of Arts Degree from Clark Atlanta University and a Master of Education degree in School Counseling from Long Island University.


4 - 10 STAFF

Gary C. Booker Lead Teacher (Math and Science 4 - 6)

Gary C. Booker is a native of Atlanta, Georgia with a lifelong interest in science, engineering and mathematics. He received a Bachelor of Science in Space Studies from American Military University and is an ASQ Certified Quality Engineer. He has an interdisciplinary background that includes STEM Instruction, civil and industrial engineering, aeronautics and community development. Gary believes in teaching mathematics to connect with the personal passions and interests of each student.


Sheryl Garrett Lead Teacher (ELA)

Sheryl has a BSc in Secondary English Education and an M.Ed. in Curriculum & Instruction together with 15-years of experience as a teacher, assistant & high school principal, and as assistant director at the Center of Excellence in Leadership of Learning, a school innovation division at University of Indianapolis. Sheryl also served as principal of Ben Davis University High School, an Early College program partnered with Vincennes University in Indiana, the first school to earn the state’s Model Site for Excellence designation as an Early College model. In addition to teaching across the grades, Sheryl will provide support for individual learning needs and develop our Early College program.


Nina P. Kozlova Lead Teacher (Math and Science 7 - 10)

Nina P. Kozlova graduated from Chelyabinsk State Pedagogical University, having majored in Physics and English. She has taught both ESL and Science in Russia and the US. She believes curiosity, sense of humor, integrity and compassion to be the best character traits. "A day without learning something new is a day wasted”, is her motto.


Jessica Phillip Lead Teacher (Computer Science)

Jessica Phillip is a senior at Emory University who will be graduating with a BSc in Chemistry and a minor in Computer Science. She's an avid believer that it is far more important to know how to think and not what to think. Most importantly, according to Jessica, taking a deep breath every once in a while should always be a priority.



T. Dean White Lead Art Facilitator

Dean White is the Lead Art Instructor at Zone of Light Studio. Dean has been teaching Art and Art History to grades 2 through 10 for over ten years. He has worked as a freelance designer for over 20 years and as an Art/Creative Director at several national advertising agencies in Atlanta, after starting as a Graphic Design/Illustrator in Detroit. He also designs and prints t-shirts, is an active leader with the Boy Scouts of America, and paints murals. Dean lives in Decatur with his wife, and has a son and daughter -- who have both flown the coop (at least temporarily)!


Yenfeng Liang Mandarin (K-10)

Yenfeng Liang has over seven years’ experiences in teaching Mandarin Chinese language, culture and art through pre-k to adult level students. She’s passionate about teaching, and enjoys working with students from multiple backgrounds and discussing various topics. Her teaching philosophy and goals are based on the belief that teaching should be student-centered and should be made with consideration of students’ academic as well as socio-emotional needs. As like the analects of Confucius said “有教无类,因材施教” which means "No Child Left Behind, Ability-Driven Education." For her classes and immersion programs, her objective as a teacher is to motivate her students toward a level of independence where they develop a desire to learn and think for themselves. Moreover, as a teacher, she would like to show her care to every student in the class, and there are a great way for all her students to socialize and learn about the Chinese culture and Mandarin Language.