He reviews manuscripts and related works for Mathematics Teacher, Mathematics Teaching in the Middle School, and Allyn & Bacon. Currently he serves as a liaison for the partnership between the South Dakota Discovery Center and USD and is the State of South Dakota’s team leader for the Association of State Supervisors of Mathematics (ASSM). His research and service foci are digital inking practices and pen-based computing, the use of Lesson Study with preservice and inservice mathematics teachers, instructional strategies and technology-mediated teaching and learning in mathematics. Teaching Interests: