Ryan Estrellado is an author and educator. He is the author of the book The K-12 Educator's Data Guidebook: Reimagining Practical Data Use in Schools, in which he humanizes, challenges, and reframes how data is used in education. He is a co-author of Data Science in Education Using R, an innovative open-source book about learning data science using real-life education data. Ryan has over twenty years of experience in public education. He is an alumnus of the Strategic Data Project, a project of the Center for Education Policy Research at Harvard University.