Doctorate Fellow. As a GK-12 Fellow she taught and developed STEM curricula for middle school students. Through her research she seeks to identify methods of facilitating human interac- tion with advanced technologies, including mobile devices, to support learning. Specifically, her ongoing projects examine the design of intelligent tutoring systems, delivered on mobile devices, to support mid- dle school mathematics learning and exploring the design and usability aspects of mobile device use by children.Dr. Renetta G. Tull, University of Maryland, Baltimore County Renetta Garrison Tull is Associate Vice Provost for Graduate Student Professional Development & Post- doctoral Affairs at the University of Maryland