Thomas Allen is the Director of Ph.D. in Educational Neuroscience Program (PEN) and the VL2 Co-Principal Investigator. He holds a faculty appointment in the Department of Education, where he has taught courses in statistics and research design. Dr. Allen served as Dean of the Graduate School at Gallaudet. Prior to becoming Dean, Dr. Allen was the Director of the Gallaudet Research Institute, where he conducted or supervised many large-scale statistical studies of the deaf population in the United States. These included an annual survey of deaf and hard of hearing children and youth and two national efforts to develop norms for standardized achievement tests for the population of deaf and hard of hearing students. He designed and conducted studies of national patterns of classroom communication strategies for deaf and hard of hearing students, and a longitudinal study of school to work transition for students who are deaf. As the Dean of the Graduate School, Dr. Allen has implemented Ph.D. programs in Linguistics and Audiology, an Au.D. professional doctorate in Audiology, a Masters of Arts in Teaching that focuses on preparing teachers to work in bilingual ASL-English environments, a Master of Arts degree in International Development, and a Master of Arts degree in Deaf Studies. Within VL2, he directs the Early Education and Literacy Lab.