1. Indiana University, School of Education, IN 47405; . His current work involves the design and research of game-based learning environments to assist children in developing their sense of purpose as individuals, as members of their communities, and as knowledgeable citizens of the world
2. University of Victoria, MacLaurin Building A548, Victoria, BC, V8W 3N4, Canada; . His research is concerned with cultural-historical issues of formal and informal knowing and learning in mathematics and science across the lifespan from kindergarten to professional praxis, including settings such as scientific laboratories and other workplaces (e.g., fish hatcheries and environmental agencies)