Joy Kubarek is Co-Founder/Partner of Inform Evaluation & Research, an education research and evaluation consulting firm supporting evaluation and research with informal science organizations. Previously she was the Vice President of Learning at the Shedd Aquarium in Chicago, USA.Judith Lederman is an Emeritus Professor and was Director of Teacher Education in the Department of Mathematics and Science Education at Illinois Institute of Technology, USA. She has been the Curator of Education at the Rhode Island Museum of Natural History and an elementary, middle and high science teacher.