Supporting Excellent Science Teaching for Georgia

Executive Director: Kristina Istre (pronounced "East")

Kristina Istre is a 7th grade middle school science teacher who has been teaching over 28 years in Augusta, GA in the Richmond County School District. She currently teaches at A.R. Johnson Health Science and Engineering Magnet School. She has had experience through the years teaching various grade levels including elementary through adults. Kristina recently, in 2025, received a STEAM endorsement from University of South Carolina and received the honor of being named the Teacher of the Year at her school. Kristina has a B.S. in Education grades K-8 with a specialty in Science from Indiana University. She also holds a Masters Degree in Creative Arts in Education from Leslie University. 

Kristina has been a member of GSTA for over 21 years and has served on the board for around 9 years as the District 9 Representative, Middle School Representative, Vice President, President Elect, and was the 2024-2025 GSTA President. She is now the proud Executive Director of this great organization. Kristina works hard to advocate for Science Educators