Jim Ross has more than 34 years experience in science education, both in private and public school systems. For six years he was the Coordinator of Investigative Studies at Nicholson Catholic College, Belleville, ON, where his portfolio included science, math, history, geography, and the social sciences. In 1988, Jim Ross and Mike Lattner founded Ross Lattner Educational Consultants, a small, independent publishing company, to meet the need for high quality curriculum materials in the de-streamed common curriculum. Ross Lattner continues to publish innovative instructional strategies. Jim's M.Ed. thesis, The Graininess of Everyday Thinking, examined the cognitive structure of students' everyday language, and how it is related to students' natural reasoning about physical phenomena. From 2001-2005, Jim taught the pedagogy courses in Chemistry, Physics and Intermediate Science at the Faculty of Education at the University of Western Ontario. In that capacity, he was awarded the honour of Teacher of the Year by the the Faculty of Ed. Jim has served as president of the Ontario Association of Physics Teachers, and has been an active member of STAO. He has contributed to the writing of the Ontario senior physics curriculum documents. Entering an active retirement in 2008, Jim contributed to McGraw-Hill Ryerson's Grade 9 and 10 "ON Science" texts. As he continues to study and write, he has been constructing the new approach to chemistry learning and teaching with Edvantage Press, and is an active member of the Edvantage Chemistry Interactive online community.