His professional interests include petrology, landslides, pre-service teacher science education, and the educational uses of the World Wide Web. For the year of 2001, Linneman was in South Africa on a Senior Fulbright Fellowship, where he worked with the Science, Mathematics and Technology Education Department (SMATE) at the University of Port Elizabeth. While at UPE, Linneman worked to incorporate some Earth Science into the teacher preparation courses and assessing the success of SMATE's in-service teacher projects.