She is a former junior and senior high school science teacher with experience teaching life, Earth, and physical science in grades 7-11. Her current research focuses on inservice teacher’s practices for supporting young learner’s talk and sense making in science, as well as the integration of the practices of science and engineering in STEM education. Haefner earned a B.S. in secondary education from Bloomsburg University and an M.S. in Wildlife and Fisheries Sciences and Ph.D. in Science Education from Penn State