Abraham Lo earned his PhD in the Learning Sciences Department at Northwestern University and his BA and MSEd in Science Education from the University of Pennsylvania.  He has extensive curriculum design and professional development experience with both pre and in-service science teachers.  His research interests focus on designing curricular, instructional, and professional development supports for students’ meaningful use of scientific practices. His dissertation work examined the meaning that students and teachers apply to their use of scientific modeling to generate explanations of phenomena and the use of classroom video and cogenerative dialogues to help teachers learn to notice and account for aspects of classroom practice that are important for supporting students’ meaningful use of scientific practices.