He teaches classes on mathematics pedagogy and educational technology. His research interests include: the creation and evaluation of educational apps; the application of appropriate technologies to enhance the teaching and learning process (e.g., clickers, iPads, GPS, 3D printing etc.); and the use of creative apps on iPads to engage students in problem solving, communicating, reasoning and representing their understandings through virtual manipulatives, comics and video artifacts. Family history is a developing hobby.