
Dr. Patricia A. Hagan
Director Content Development, Discovery Education
Over 30 years educational experience:
- Accomplished classroom teacher
- Department chair leading her colleagues implementation of 5E model
- District-level curriculum coordinator
- Educational consultant and national expert in implementing the 5E Instructional Model

Mr. William McDonald
Director Curriculum Development, Science and Mathematics, Discovery Education
Over 36 years educational experience:
- Elementary/Middle School Science, Mathematics and Technology Teacher
- Elementary Science Supervisor
- Principal Investigator, NSF Science
- Systemic Reform Grant
- Director of Curriculum Development, K-12
- Director of Elementary Instruction and Achievement

Mr. Dale Fulton
Chief Academic Officer, Discovery Education
Over 38 years educational experience:
- Classroom teacher, high school department chair
- Foreign Language/English Supervisor
- Director of High School Instruction and Achievement
- Associate Superintendent for Curriculum and Instruction

Dr. Shanika Hope
Senior Director, Curriculum and Instructions, Discovery Education
Over 17 years educational experience:
- Classroom teacher and School Principal
- Assistant Superintendent (Curriculum and Instruction/Assessment)
- School Reform (High Schools and Urban Districts)
- Data Use and Practice in Schools

Dr. Carmen Arroyo
Senior Director, Research and Data Analysis, Discovery Education
Over 25 years educational research experience:
- National expert in evaluation of education initiatives and school-based health services
- Director of Research, US Department of Education National High School Center
- Principal Investigator, NSF and the Bill and Melinda Gates Foundation
- Special Advisor for Research and Evaluation, US Department of Health and Human Services
- Director of Research Training, University of Maryland School of Medicine
- Fellow, Yale University, Edward Zigler Center in Child Development and Social Policy
- Assistant Professor of Social and Developmental Psychology, Williams College

Jenny Bradbury
Director, Curriculum and Instructional Technology
Over 15 years educational experience:
- Middle/High School Classroom Teacher
- Educational digital media producer for national broadcast organization
- Teacher certification assessment developer
- Expertise includes: media and technology integration and international education

David Marsland
Content Specialist, K-12 Science Techbook
34 years educational experience:
- Accomplished middle/high school science teacher and science department chair
- District science specialist
- Principal Investigator, NSF and Department of Education grants
- Director of Science Teacher Professional Development, Smithsonian Institution
- Inquiry curriculum development specialist and published author

Kevin Jenkins
Content Specialist, 6-12 Social Studies Techbook
17 years educational experience:
- Classroom teacher, middle and high school Social Studies
- District-level Social Studies Curriculum specialist
- Content lead, Maryland High School Assessment
- Social Studies Specialist, Maryland State Department of Education

Daniel Byerly
Director, Social Studies Techbook
Over 9 years educational experience:
- Secondary school Social Studies teacher
- Social Studies Subject Area Supervisor: K-12
- Director of Curriculum: Preschool - 12
- Member, State Common Core Task Force